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RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly Pillager)

 
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RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/27/2012 2:43:24 AM   
richlove


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wneumann, can you provide more detail on how you organize your convoys (or provide a link to where you've done that previously)? I have a feeling it'll be very informative.

(in reply to wneumann)
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RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/28/2012 3:44:18 PM   
wneumann


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Richlove,

The next post is an updated reprint of an earlier post in this thread I made during the first weeks of this game.

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Post #: 842
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/28/2012 5:51:27 PM   
wneumann


Posts: 2563
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The Big Picture #15 – Conduct of Sea Transport Operations (update)

The following is a an updated “reprint” of an earlier post in this thread on transport operations by sea done in 12/41 (Big Picture #3). I’ve added comments reflecting differences in how sea transport was implemented since the original post was written plus updates on actual events in the campaign vs what was originally anticipated. Text from the original post is in black, red text is updates and additions based on how things actually occurred or other items I worked out since doing the 12/41 post.

-----------------------------------------------------------------------------------------------------------------------------

Overall, the conduct and movement of Allied transport by sea is expected to be a much more complex task in AE than my previous CHS game vs Pillager. Several factors impacting Allied sea transport operations are mentioned here.

As implemented, the (convoy) system I’ve put into place for Allied long-distance sea transport is more closely managed than what I had done in my previous game vs Pillager. Much of the added complexity is actually the degree to which Allied sea transport is managed, not so much in what is being done or how. An additional aspect I omitted in the original post and also omitting in this reprint is scheduling of cargoes - what gets loaded, what it's loaded aboard, when it's loaded and where the cargo is going. Scheduling cargoes is unique to each player's campaign and tailored specifically to a player's overall campaign strategy (what a player is doing, where and when). All this appears and is a considerable body of work, but 80-90% of the effort is in planning and the set-up process, once started the system largely runs itself.

My thought on logistics in AE has evolved to where it's a “game within the game”. Logistics done right is the first step in accomplishing your strategy. Logistics done wrong and you go nowhere.



Jap Submarine forces: It is my view that Jap submarines can be used more effectively and at much less risk against Allied transports in AE than CHS or stock WitP. I see this as mainly due to two factors – first, what appears to be a slight increase in effectiveness in AE for Jap submarine torpedoes, and second, the reduced effectiveness of Allied surface (naval) ASW in AE.

It’s only a question of time before Pillager “connects the dots” and begins to go aggressively against Allied transports. My conclusion is based on observing performance of the Japanese AI in AE when playing the Allies against it and I have absolutely no reason to believe that Pillager can’t do at least as well if not better with Japanese subs against Allied transport shipping.

For the most part, Pillager’s Japanese sub campaign has proved less effective than I initially estimated in 12/41. A combination of factors probably explains this – some of which include actions I’ve done on the Allied side, others known only to my opponent (Pillager) that await the “post-game analysis”.

Probably the one factor on the Allied side with the greatest impact on reducing Japanese sub effectiveness is establishment of a transport convoy system. Historically it worked (twice) in the Atlantic, if done right it would work here too. Implementation of a transport convoy system had a number of effects.

Fewer transport TF’s at sea. This immediately and drastically reduces the number and frequency of available targets for Jap submarines.

The reduced number of transport TF’s allows more concentrated employment of Allied ASW forces at any given location or time. This not only improved protection of Allied sea transport but also provided an increase in opportunities for Allied ASW forces to detect and engage Jap submarines.

More utilization of available off-map sea movement routes also contributed to decreased opportunities for Jap submarines, surface naval forces and carriers to interdict Allied sea transport activity.



Allied surface ASW operations and protection of transport shipping: The diminished effectiveness of Allied surface naval ASW in AE compared to CHS has a significant impact on the conduct of sea transport operations for the Allies. Effects of this reduction in effectiveness for Allied ASW on Allied sea transport is being felt in these areas.

• In general, early-war Allied surface naval and air ASW operational capabilities in AE will make it more difficult to intercept and attack Japanese subs before they find and attack Allied transport shipping.

• To minimize exposure of Allied transports to Japanese submarines and maximize the value of Allied ASW resources available to protect transports, a system of transport convoys for Allied shipping will need to be implemented.

• Inclusion of DD’s and specialized ASW ships (DE, KV, etc) in Allied transport convoys as escorts will be required to maximize effect of the limited numbers of DD’s and specialized ASW ship types available for escorting transport ships, this being especially true during the early war period.

To date in this campaign there has been little change in AE as to ability of surface ASW forces to detect opposing submarines, but it has appeared more difficult to effectively attack them (i.e. sink or heavily damage the sub). My opinion from experience with Allied sub warfare in this game vs Pillager is that it’s more or less equally true for both sides. There’s been few sinkings of both Allied and Japanese submarines from surface ASW attacks during this campaign so far – it’s simply harder to score a fatal hit on a sub. We’ve yet to see 1944-45 in this game, the observation I stated could change with the arrival of 1944-45 US ASW forces. How accurate my estimate of this actually is also awaits the "post-game analysis".

The second and third items above both proved correct.


Some Additional Notes on Allied ASW Doctrine:

I'll add a few notes not in the original post related to ASW operations for transport convoy protection. This is much of how I ended up doing it.

Selection of ship types and classes used in surface ASW ops include KV, SC, PC (those ships equipped with ASW weapons, not all of them are). Only a relatively small number of DD are permanently dedicated to surface ASW operations - these include the older US DD classes (four-stackers) plus the short-range Dutch and British DD. While I occasionally use modern US destroyers in small numbers for convoy escort and surface ASW actions, my first priority for employing the newer US destroyers is escorts in carrier TF's rather than protection of transport shipping. I'll also add that many mine warfare ships (AM, DM, DMS) carry ASW weapons on-board and are also quite suitable for ASW escort duty when needed and available.

Note that most ships included in my selection are short range - this is because transport convoys rarely have ASW escorts for the entire length of their movement route. Surface ASW escorts are with convoys only in the sea approaches to their departure and destination ports, not while the convoy is in open on-map sea areas or during any off-map movement. Effects of this practice include (1) long range ASW escort ships are unnecessary, (2) shorter range ASW ships normally used for escort are distributed in "packets" mainly at convoy departure and destination bases with surface ASW ships on permanent station at each base and dedicated to ASW operations in their immediate area, (3) improved availablity of ASW ships for required tasks.

Surface ASW forces located in each convoy depature or destination port serve three functions - (1) attached escorts in arriving convoy TF as they approach their port, (2) attached escorts in departing convoy TF until they clear the immediate sea area near the port, (3) forming ASW TF to pursue and engage known Jap submarines nearby. Numbers of surface ASW ships have been allocated to each theatre where required. ASW ships assigned to each theatre remain in the theatre area, though often transferred between bases within that theatre as needed.

Transport convoys departing a port will have a 3-4 ship attached ASW escort contingent as they leave the port. Attached ASW escort ships will remain with the convoy until the convoy has moved approx 8-10 hexes from the departure port. At that time the ASW ships are detached from the convoy (as a separate ASW TF) and return to the departure port. It's also useful to set "Max React" distance of the returning ASW TF to 1 hex - what this does is allow the ASW TF to make a "sweep" of sea hexes for Jap submarines along its movement route back to base.

As a transport convoy approaches its destination port, a 3-4 ship ASW TF is formed at the destination base and dispatched to meet the incoming convoy at approx 8-10 hexes out from the destination port. Set the ASW task force to meet the incoming convoy TF and merge with it. This action attaches ships in the ASW TF to the convoy as an escort for its remaining movement into the destination port. As in the case of departing convoys (above), it's also useful to set "Max React" distance of this ASW TF to 1 hex - what it does is allow the ASW TF to make a "sweep" of sea hexes for Jap submarines while going out to meet the incoming convoy.

This applying to both departure and destination ports... If known Japanese submarines are operating in sea areas near the port, additional surface ASW TF may be formed to engage the Jap sub if extra ASW ships are available. However, do not dispatch ASW TF from a departure or destination base to attack the Jap sub without providing an ASW TF from the base for direct escort of the convoy into or out of port. Protecting the convoy is first.

Also, while a convoy is departing or arriving at a base, naval air search should be flown to detect Japanese subs or other activity in sea areas near the base and the convoy's arrival/departure movement path. In this context, detecting a Jap submarine is very often as effective as attacking it. It's a simple matter to route a convoy TF around a detected Jap sub.

Port security is especially important, particularly at destination bases in forward theatres where Jap submarines, aircraft or other forces can potentially be present. Three aspects of port security are important - (1) ASW, (2) mines, (3) enemy aircraft. All three actions are needed as an arriving transport convoy is approaching the port and while the convoy is unloading ships in the port. Forming an surface ASW TF which remains on-station in the base hex provides opposition to any Jap submarine entering the base hex to perform a "Scapa Flow" attack. Pillager actually executed one of these attacks successfully in Auckland earlier in this PBEM - a Jap submarine entered Auckland base hex, torpedoed and sank 3 ships in one game turn, damaged a fourth and got away. Likewise, your Japanese opponent can send a minelaying sub into your destination port - 10 mines or 100, it takes only one mine to take out a ship (and its cargo). My practice is to form a local minesweeping TF and have that operate on-station in the base hex. What I often do if the ships remain available is keeping a surface ASW TF and a local minesweeping TF on continuous patrol in the destination base hex.

If fighter squadron(s) are based at your destination port, put them up on CAP.



Security of on-map Allied transport shipping: Providing secure movement of Allied transport shipping without significant interruption from Japanese action across each of the six primary movement routes will be an important part of Allied strategy in the early war period. Securing routes for transport shipping will be a significant factor in many decisions including what locations to defend (or not defend) against Japanese attack, sites where principal Allied bases are to be developed, among others.

Security of on-map transport shipping routes requires protection of Allied transport ships moving at sea (either individually or in convoy) from each of the following forms of Japanese attack.

• Submarines
• Surface naval raiders.
• Carrier forces (including KB, also CVL and floatplane tender TF’s)

I included floatplane tenders (large, longer-range Jap CS & AV) above as Pillager had employed these in our previous PBEM as surface raiders against Allied transport shipping. It should be noted here that many Japanese CS and AV can operate planes while at sea.

The threat of attack from Japanese LBA was not included here as the scope of this discussion covers rear-area transport shipping routes rather than movement of transport ships into forward bases or front-line areas normally within reach of enemy LBA.

A variety of Allied resources and tools will be used as needed in securing movement of transport shipping across on-map routes, and include the following.

• DD’s and specialized ASW ships attached to convoys for close escort.
• Dedicated ASW task forces to independently attack detected Jap submarines.
• LBA air units performing naval search and ASW missions from bases near or along the shipping routes.
• Surface naval and/or Carrier TF’s operating in a screening role along transport shipping routes.
• Implementation and use of a transport convoy system.

Of the five Allied resources and tools listed above, all except the fourth item (surface naval forces and carriers) have been employed in our current PBEM to cover the Allied transport convoy system. To date, I have been able to successfully employ other measures that made use of surface naval forces and carriers unnecessary.

In practice, I’ve found diverting and re-routing convoys an effective and cheap defense against Jap submarines, surface naval and KB sorties - this possible having an effective “early warning” network operating from Suva, Tahiti and Christmas Is. The need to divert or re-route convoys has so far occurred less than originally expected.

A sixth item that could have been added originally is timing and routing of transport convoys. Use of off-map sea movement combined with inaccessible sea areas (inaccessable to the Japanese anyway) place large parts of convoy routes or entire convoy routes (in some cases) beyond the effective operating or detection range of any Japanese forces.



Transport Convoy System: Plans are to establish and implement a convoy system for the majority of Allied transport shipping similar to what was historically done in the Atlantic. The convoy system will be used and followed to the greatest extent possible, though I expect making many exceptions to this rule on a case-to-case basis as situations dictate.

Size and composition of transport convoys: The following practices will be used in the formation and operation of Allied transport convoys to the greatest extent possible.

• A convoy may be formed of ships proceeding to a single destination, or can include ships going to a cluster of multiple destinations within a short distance of each other or located at different points along a common path of travel.

Pretty much implemented as written.

An added note here is that I’ve assigned one or more base(s) within each theatre as primary destinations for transport convoys bound to a given theatre. In all cases, port sizes at assigned base(s) in each theatre are increased to their maximum allowable size. Bases with port size 7 or above and/or bases with ports expandable to that size are preferred convoy destinations. Smaller ports may also be used, but only for individual ships or small groups of ships detached from larger convoys, not for entire convoys or the “main body” of a convoy.


• Size and number of ships in a convoy going to the same destination should not exceed the destination base’s port capacity to unload the ship(s) within a relatively quick period of time, usually 3-5 days maximum. This practice will ensure quickest turn-around time of transport ships at the destination port and also minimize exposure of transport ships to enemy air or naval attack while stopped at the destination base.

The idea behind maximum port sizes is fastest possible turn-around for the largest possible arriving convoy. Larger port sizes allowing more ships to be unloaded at the same time and easier handling of large ships. A stationary convoy (even in a friendly base) is a vulnerable convoy. There’s little question Pillager can detect Allied transport convoys arriving in Auckland or Suva, however, they’re nearly always unloaded and gone before any effective Japanese response can be initiated.

Depending on size of ships in a given convoy, an entire 20-30 ship convoy is often completely unloaded at Auckland (port size 9) in 2 days maximum with adequate planning of the unloading process, all but the largest ships in the convoy fully unloaded on the first day in port. Convoys up to 40-45 ships often unloaded in two days, three days for the largest convoys.


• Port capacity of the assigned destination base or bases for a convoy will be the main factor in determining the number and size of ships to be included in that convoy. If possible, the port size of a destination base should be sufficient to allow simultaneous docking of all ships from a convoy that being sent to that destination.

Accomplishing this does require some planning when forming the convoy before its departure, specifically how many ships in the convoy and cargo capacities of each ship in the convoy. Also some planning in the process of unloading the convoy at its destination – which ships need to be docked to unload (TK & AO with fuel cargo, other ships carrying LCU elements or air units first priority for available dock space), which ships in the convoy take longest to unload (usually the larger ones). In many instances smaller ships can unload without docking (though they unload slower when not docked). Also, ships in excess of a destination port’s dock capacity can unload without docking while waiting for available dock space. It’s not an exact science but one that can be done effectively with practice.

I’m noting here some items I omitted in my original post.

Convoy sizes – virtually all transport convoys 10 ships or more excluding escort, smaller convoys (< 10 ships) except in emergencies generally defeat the purpose. Average convoy size is typically 25-40 ships. I’ve sent out several 60-ship convoys that made the unloading process somewhat long and sloppy at destination, convoys this large since been avoided.

Timing of convoys – another thing learned from experience. For multiple convoys going to the same destination, minimum 3-5 game turns spacing between convoys preferred. The main object behind convoy timing is at the destination port – allow enough time for one convoy to arrive and complete unloading before arrival of the next convoy. Security is a lesser but still important consideration in timing.

Convoy refueling at destination ports– If you have a convoy delivering 50K fuel to a destination port, you’d likely prefer for the convoy to consume as little of that fuel as possible when refueling its ships for the return trip. Several steps are important to do this…

• First, the convoy’s TF must be set to “Do Not Refuel” before it arrives at the destination base. This will prevent ships the convoy TF from automatically doing a full (100%) refuel immediately on arrival in the destination base. More likely than not, most ships in a convoy will not have to fully refuel in order to safely make it home on the return trip. Some ships in a convoy may have enough fuel left for the return trip and not need to refuel at all. Proper selection of individual ships and ship types to be used in convoy operations is key to this.

• Refuelling of a convoy at the destination base should not occur until (1) after the convoy is completely unloaded and ready to depart, and (2) after setting the convoy’s movement path for the return trip.

• The first step for departure of a convoy from the destination base for its return trip is setting the TF’s exact and complete movement path for the entire return trip – this includes the TF’s destination, home point, plus any waypoint(s) that are set if these are used.

• The second step for departure of a convoy on its return trip from a destination base is setting the convoy TF to “Minimal Refuel”. This step together with the first step above establishes the required quantity of fuel needed by each individual ship in the convoy to travel the distance covered in the convoy TF’s set movement path.

• Now you replenish the convoy TF from the destination port’s fuel stock. Each ship in the convoy is refueled individually up to the needed quantity of fuel determined in the previous two steps above. Only those ship(s) in the convoy needing fuel will receive fuel up to the quantity required for the return trip from the destination port’s stocks. Those ships in the convoy already having sufficient fuel on-board to cover the trip home do not receive fuel.

Convoy naming – Naming convoys (using TF name in the TF display to do this) proved useful in quickly sorting out and tracking convoys moving both on- and off-map. Touch the mouse to the convoy icon and you’ve identified the convoy. As you may have noticed, a system of naming convoys by their route and direction of travel (outbound or returning home) was implemented along with a (sequential) number to identify individual convoys. Letters in the convoy indicate route and direction.

• WP/PW – “WP” used for outbound convoys from the US West Coast to either Central or South Pacific (both routes #1 and #4 below), reversed to “PW” (no change in sequential number) for the same convoys on return from Central or South Pacific to the US West Coast.
• WA/AW – used with convoys between Canada/US West Coast and North Pacific (route #3 below).
• EX/XE – “EX” used for outbound convoys from Eastern US via Capetown to Australia (route #7 below), reversed to “XE” for the return trip.
• MX/XM – used with a small number of fuel transport convoys to Australia from Abadan via Capetown.
• CD/DC – “CD” used for outbound convoys from Capetown to India and Colombo, reversed to “DC” on the return trip from India/Abadan/Colombo to Capetown (route #5 below).

None of this an exact science, something to be done effectively with practice and done to your individual “taste”.



Movement of transport convoys with multiple destinations: Transport convoys composed of ships going to multiple destinations will detach individual ships or groups of ships going to each destination (with or without escorts) as the convoy approaches that destination. These ships proceed to the destination base, load and/or unload, then depart from the destination base to merge again with the convoy for the return trip.

As implemented, convoys with ships bound to multiple destinations have all its destinations within the same theatre (destinations for all ships in a convoy bound to the South Pacific in the South Pacific, etc). Multiple ship destinations for the same convoy also as tightly clustered as possible.

I’ve been somewhat variable on recombining detachments of transport ship(s) from a convoy with the convoy’s main body for the return trip. It’s situational. If recombining a convoy can be done without stopping or significantly slowing down any part of the convoy, then it’s done. If not, the different parts of the convoy are sent home separately. The cardinal thing is that ships in transport convoys are kept in constant movement as much as possible for both efficiency and security reasons.



Risks of a transport convoy system:

• Use of a transport convoy system will impose delays in many departures of individual ships as a result of collecting and holding loaded transport ships in port while transport convoys are being formed. In turn, ship departure delays will slow down the rate of deployment of materiel (supply, fuel), land and air forces by sea, especially movement of US forces from the western US by sea to Australia, New Zealand and forward bases in the Pacific theatres.

Delays have not really been an issue in practice. If anything, the rate of deployment for US forces and resources from the mainland US is drastically increased.

• Each transport convoy that’s formed and sails is to some degree “putting a number of eggs in the same basket”. While the risk of a convoy’s detection by Japanese forces (especially carrier or surface naval) is somewhat less than for the same number of transport ships sailing independently (one target to detect vs many), the possibility of heavy losses is considerably increased for a transport convoy that is detected and attacked by Japanese forces.

This issue is true and remains so. In practice so far, the results of the convoy system has greatly exceeded its risks.


Collection & Allocation of Allied transport ships: A process was begun immediately effective 12/8/41 to collect and allocate on-map Allied transport ships. The process will (1) concentrate Allied transport ships in central locations from where they can be allocated or used, and (2) allocate and dispatch individual transport ships according to their future employment.

Transport ships in Hawaii, Alaska, and the mainland US & Canada as of 12/8/41 are being collected and retained in this general area to service on-map shipping routes leaving US and Canadian west coast ports for Hawaii, Alaska, and the Pacific theatres. These ships are exempted from the collection and allocation process for transport ships that will occur elsewhere.

In all other on-map areas, the process of collecting and allocating transport ships will take place. Transport ships from forward areas in the immediate path of the Japanese initial advance (Philippines, DEI, Hong Kong, Malaya, etc) are being evacuated to rear-area bases along with whatever cargo can be loaded aboard them. Once transport ships arriving from forward areas are unloaded, they will go into the allocation process.

Allocation of transport ships will be done according to the type of operation each individual ship will be used for – long range vs short range or local transport, on-map vs off-map movement, etc. Several criteria including size, movement range, ship type and nationality will factor into how and where a given transport ship will be used.

Longer range ships (8,000 to 10,000 mi and greater) and ships with larger cargo capacities are generally being dispatched to off-map locations. Several roles for these ships are anticipated and include.

• Transporting reinforcements and materiel (supply, fuel, oil, resource) entering the game in off-map locations to on-map bases.

• Long range transport operations both on- and off-map. I’m anticipating extensive use of these ships in moving cargoes between the US and Australia from the Eastern US via Capetown to ports in southern Australia.

This was for the most part done as described. All Allied transport ships allocated to convoy operations have been ships with > 8000 mi range. In practice, a ship’s movement range is more important than cargo capacity when determining suitability of a given ship for long-distance convoy use. The rationale behind movement range is for a convoy once formed to travel non-stop from its origin to destination without refueling at any point along its route. In practice, transport ships as they were allocated for convoy operations were dispatched to the US West Coast or off-map to Capetown or the Eastern US (via Capetown).

Smaller and shorter range ships (< 8,000 mi) were retained on-map for use in short-range and local transport operations along routes that in most cases are entirely within the same theatre area. Distribution of smaller and short-range transport ships among major theatre commands were done according to operational needs in each theatre. Ships in this category are generally on permanent assignment to each theatre command subject to change as needed.

Most ships in thie second category above are small xAP and xAK along with a number of small Dutch AO and TK, plus all xAKL. These ships were dispatched to assigned theatre areas, many kept at anchor in rear-area bases within a forward theatre area unless or until actually needed for use in forward operations. Primary functions of these ships includes (1) local transport of cargo between bases within a theatre area, and (2) future employment in or in support of amphibious operations.

A major factor behind value of small ships for these operations is their small cargo capacity allowing quick unloading of cargo at bases with small port size, in forward bases within striking range of Japanese forces or during amphibious operations. Movement range of these small ships is less important for their intended activities.



Utilization of off-map bases and shipping routes: Where possible, Allied transport convoys will make use of off-map bases and shipping routes, especially in non-critical situations where neither the convoy’s cargo nor the time in which it has to arrive at its destination are crucial factors. Collection of longer-range transport ships and their movement to off-map bases early in the game will be done to begin implementing an off-map transport system.

Pretty much implemented as written.


Allied transport convoy routes: Conduct of Allied transport convoy operations throughout the war will inevitably focus on a number of primary shipping routes, each primary route controlling strategic communication into or between one or more major theatres. Flow of transport ships and cargoes across these routes has an important strategic effect on the course of the war.

Primary on-map shipping routes (as originally planned)

• #1 – Western US & Canada to Hawaii and the Central Pacific theatre.
• #2 – Western US and Panama to eastern areas of the South Pacific theatre.
• #3 – Western US & Canada to Alaska and the North Pacific theatre.

• #4 – Western US and Panama via route #2 to central and western areas of the South Pacific theatre, Australia/New Zealand and the SW Pacific theatre. Route #4 includes route #2 above and extends it across central and western areas of the South Pacific theatre to New Zealand and Australia

• #5 – Western Indian Ocean. This route actually represents a network of shipping lanes, including on-map shipping movement through the western Indian Ocean between points in mainland India and Ceylon, and also movement to India and Ceylon from off-map bases at Aden, Abadan and Capetown.

• #6 – Eastern Indian Ocean route between Colombo and Western Australia.

Primary off-map shipping routes (as originally planned)

• #7 – Eastern US to Australia via Capetown.
• #8 – Eastern US to India via Mediterranean.

Primary on-map shipping routes (as implemented)

• #1 – US West Coast (San Francisco, Los Angeles) to Hawaii and Central Pacific theatre. Implemented as originally planned. Primary convoy destination of this route currently Pearl Harbor, other destinations including Midway and the Line Islands.

• #2 – This route was consolidated into #1 or #4 depending on exact destination in the eastern South Pacific area, never implemented as a distinct convoy route. Destinations in the Line Islands area were combined into Central Pacific theatre (route #1), destinations further south and west of Christmas Is (Tahiti, etc) combined into South Pacific theatre (route #4).

• #3 – US West Coast (Seattle) & Canada to Alaska and Aleutians. Base facilities at Prince Rupert (Canada) were expanded by late 1942 to its maximum port size 9. Prince Rupert has a major rail connection via Vancouver with the mainland US and now replaced Seattle as the main departure point for convoys on this route.

• #4 – US West Coast (San Francisco, Los Angeles) to New Zealand and South Pacific theatre. Implemented as originally planned and expanded to include Tahiti and nearby islands. Primary convoy destination on this route is Auckland, secondary destinations include Suva, Wellington and Tahiti. Movement of all cargo bound for the South Pacific theatre is along this convoy route. It should be noted that route #4 does not include Australia or SW Pacific. Movement path of route #4 convoys is variable and mostly well east of Christmas Is and south of Tahiti. Variable timing and movement paths of these convoys have so far ensured Japanese subs, surface raiders and the KB find mainly vast stretches of empty water on sorties into these sea areas.

• #5 – Western Indian Ocean between India, Colombo, Capetown and Aden/Abadan. Implemented mostly as originally planned. Most convoys in this area were modified to travel a route with three parts: Capetown to Bombay with supply and LCU cargo, Bombay to Abadan (empty), Abadan to Capetown via Socotra with fuel cargo. I began this practice when Capetown literally ran out of fuel stocks in 1942.

• #6 – Eastern Indian Ocean between Colombo and Western Australia (Perth). This route not in use. In practice, eastern sea areas of the Indian Ocean south of the DEI have largely become a mostly empty no-mans’ land. The only Allied ships I’ve sent into this area were the US carrier force raid on Palembang. Pillager occasionally sends a Japanese patrol sub off Perth, when spotted I send out a small Allied surface TF to chase it, otherwise ignore it.

Primary off-map shipping routes (as implemented)

• #7 - Eastern US to Australia via Capetown. Implemented as planned. This route is used for movement of all cargo bound for Australia and SW Pacific theatre. Primary convoy destination of this route is Melbourne, secondary destinations Sydney and Adelaide.

• #8 – Eastern US to India via Capetown. Not implemented. Little movement of cargo done between the Eastern US and India. In practice, any cargo moving along this route would actually travel from Eastern US to Capetown off-map, then unloaded and transferred at Capetown to a convoy moving along route #5 above to India or Colombo.

I should note that sea transport between Australia (SW Pacific theatre) and New Zealand (South Pacific theatre) is being handled as short-range local traffic.


< Message edited by wneumann -- 12/1/2012 3:42:01 PM >

(in reply to wneumann)
Post #: 843
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/28/2012 6:23:34 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/10/43

Formosa Straits: US patrol sub in action with Jap surface ASW. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Saishu To at 99,56 (adjacent hex S of Saishu To)

Japanese Ships
SC CHa-36
PB Banshu Maru #8

Allied Ships
SS Silversides

SS Silversides launches 2 torpedoes at SC CHa-36
PB Banshu Maru #8 attacking submerged sub ....
Escort abandons search for sub

--------------------------------------------------------------------------------


US West Coast: Unidentified Jap submarine spotted by naval air search off San Francisco, also E14Y1 Glen floatplane from this sub reported flying over San Francisco base hex. Departure of transport convoy WP-50A forming in San Francisco is briefly delayed while US surface ASW is dispatched to engage the sub.


South Pacific: One or more unidentified Jap TF(s) visible on-map at hex location 116, 126 (due E of Rabaul, N of the Solomons). No information available as to number of TF, composition or movement. The interesting part of this sighting is no Allied subs at the position of this contact; also no entries in the 4/09 AAR, Sigint, Operations or Combat Events reports indicating any Jap TF was detected or engaged at this location.

Dutch sub O-24 on patrol near Milne Bay was dispatched to Woodlark Is in response to a 4/08 coastwatcher report on the chance Japanese ship(s) could be found and engaged. Be careful what you wish for… My experience with sending in subs to check out coastwatcher reports has been less than profitable – three Jap barges sunk vs two damaged Allied subs. AAR follows.

--------------------------------------------------------------------------------
Sub attack at Woodlark Island 104,133

Japanese Ships (2 ships in the spotted Jap TF, TF includes W-15 below)
E W-15

Allied Ships
SS O24, hits 7 (system damage 18, float 13, returning to base at 17 kts)

SS O24 launches 2 torpedoes at E W-15
O24 bottoming out ....
E W-15 attacking submerged sub ....
Escort abandons search for sub

--------------------------------------------------------------------------------

Daily coastwatcher entries from 4/09 Operations report follow.

Coastwatcher Report: 10 ships reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 4 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 4 Japanese ships at 114,138 near Lunga, Speed unknown
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: xAK Akasisan Maru reported in port at Rabaul
Coastwatcher Report: 3 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


DEI: US patrol sub attacked and hit by Ki-21 Sally air patrol near Balikpapan. SS Pickerel heavily damaged in the air attack (system damage 44, float 27, engine 11), still moving at 12 kts speed and bound to Australia for repairs.


Burma: Detected status of Jap base in Rangoon from British aerial recon – no Japanese ships anchored in port, 1 Jap TF in harbor (+1 from last report), 116 aircraft (88 fighters, 28 bombers), 7 Jap LCU’s.


China: No significant reported combat activity at Chungking.

(in reply to wneumann)
Post #: 844
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/29/2012 3:28:25 PM   
richlove


Posts: 147
Joined: 5/1/2009
Status: offline
wneumann, thanks for the detail, much appreciated. There's a lot there that merits deep reading.

(in reply to wneumann)
Post #: 845
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/29/2012 11:51:27 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Richlove,

Hopefully this will be of some value.

As lengthy the description of it is, it really comes down to three components -

(1) Major sources for most of the Allied supply, fuel, LCU's, air units, etc that's produced or enter the game (the vast majority of this coming from mainland US, Middle East, Capetown).
(2) Major destinations to where most of these items are going (i.e. Australia/New Zealand, India, front line theatres in the Pacific).
(3) A set of "conveyor belts" developed to connect major sources and major destinations. The "conveyor belts" include all transport ships assigned to long-range movement of cargoes, the convoy system, plus specific bases designated as departure and destination ports.

If you're going to be sending 80-100 or more transports a month from the US to wherever... forming and sending out those 80-100 ships in 5-6 convoys is easier to organize and track than sending the same number of ships out in a much larger number of small transport TF's over a month's worth of game turns. Not to mention protection, loading, unloading and tracking of only 5-6 convoys a month vs 20-25 (possibly) more small transport TF.

If you have any specific questions, feel free.


< Message edited by wneumann -- 11/30/2012 12:05:16 AM >

(in reply to richlove)
Post #: 846
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/29/2012 11:56:50 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/12/43

Formosa Straits: US patrol sub intercepts and torpedoes Jap transport in northern exit of straits between Formosa and mainland China. AAR follows.

--------------------------------------------------------------------------------
Submarine attack near Taihoku at 87,61 (NW of Taihoku)

Japanese Ships
xAK Yamagiku Maru, Torpedo hits 2, on fire, heavy damage (sunk)

Allied Ships
SS Greenling

xAK Yamagiku Maru is sighted by SS Greenling
SS Greenling launches 2 torpedoes at xAK Yamagiku Maru

--------------------------------------------------------------------------------


East China Sea: US patrol sub in several actions with Jap surface ASW before attempting a west-to-east passage through Tsushima Straits. SS Silversides then hit a mine in Tsushima base hex while passing through the straits and severely damaged. AAR’s follow.

--------------------------------------------------------------------------------
ASW attack near Saishu To at 100,56 (adjacent hex SE of Saishu To)

Japanese Ships
DD Harukaze

Allied Ships
SS Silversides

SS Silversides is sighted by escort
Silversides diving deep ....
DD Harukaze fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------
Sub attack near Tsushima at 102,56 (adjacent hex W of Tsushima)

Japanese Ships
DD Sazanami
DD Harukaze

Allied Ships
SS Silversides

SS Silversides launches 2 torpedoes at DD Sazanami
Silversides diving deep ....
DD Harukaze fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------
TF 331 encounters mine field at Tsushima (103,56)

Allied Ships
SS Silversides, Mine hits 1, on fire (system damage 70, float 90, engine 48)

--------------------------------------------------------------------------------


South Pacific: Daily coastwatcher entries from 4/11 Operations report follow.

Coastwatcher Report: 3 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Ndeni
Coastwatcher Report: 1 ship in port at Finschhafen
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 3 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher Report: 1 ship in port at Lunga
Coastwatcher Report: 1 ship in port at Shortlands
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Koumac
Coastwatcher Report: 1 ship in port at Noumea
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Australia: Transport convoy EX-30 (33 transports, one AD) arrives in Australia from Eastern US via Capetown. Cargo arriving aboard the convoy includes 128K supply – no fuel, LCU or air units. The AD arriving with the convoy is being detached and will remain in Australia for future operations with either SW Pacific or South Pacific theatre.


Burma: Detected status of Jap base in Rangoon from British aerial recon – no Japanese ships anchored in port, 1 Jap TF in harbor, 100 aircraft (73 fighters, 27 bombers), 7 Jap LCU’s.


China: Japanese resume ground bombardment on Chungking. AAR follows.

8 detected Japanese LCU in hexes adjacent to Chungking. At least some of these Jap LCU are likely reinforcements for ground assault on Chungking. It appears Pillager is scraping together more Jap LCU to throw on the pile in Chungking.

** below indicates Japanese LCU reinforcements arriving this game turn. (two new Jap ground units appeared in this game turn’s attack)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Bombardment attack

Attacking force 280195 troops, 2705 guns, 1363 vehicles, Assault Value = 9645
Defending force 501242 troops, 2498 guns, 0 vehicles, Assault Value = 14303

Japanese ground losses:
8 casualties reported
Squads: 0 destroyed, 1 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 0 disabled

Allied ground losses:
515 casualties reported
Squads: 23 destroyed, 13 disabled
Non Combat: 23 destroyed, 2 disabled
Engineers: 0 destroyed, 1 disabled

Assaulting units:
23rd Ind.Mixed Brigade
26th Division
116th Division
1st Ind.Mixed Brigade
8th Armored Car Co
15th Division
104th Division
36th Division
7th Ind.Mixed Brigade
15th Tank Regiment
41st Division
37th Division
6th Division **
32nd Division
70th Division
35th Division
4th Ind.Mixed Brigade
17th Division
110th Division
59th Infantry Brigade
40th Division
9th Ind.Mixed Brigade
13th Division
39th Division
3rd Tank Division
58th Division
22nd Division
34th Division
38th Division
1st Army **
10th Ind. Mountain Gun Regiment
14th Medium Field Artillery Regiment
2nd Ind.Hvy.Art. Battalion
2nd Ind. Mountain Gun Regiment
North China Area Army
1st Hvy.Artillery Regiment
52nd Ind.Mtn.Gun Battalion
11th Army
21st Mortar Battalion
12th Army
51st Ind.Mtn.Gun Battalion
23rd Army
6th Medium Field Artillery Regiment
2nd Mortar Battalion
15th Ind.Medium Field Artillery Regiment
3rd Ind.Hvy.Art. Battalion
1st Mortar Battalion
20th Ind. Mtn Gun Battalion

Defending units:
17th Chinese Corps
43rd Chinese Corps
7th New Chinese Corps
100th Chinese Corps
45th Chinese Corps
86th Chinese Corps
14th Chinese Corps
93rd Chinese Corps
1st New Chinese Corps
1st Chinese Cavalry Corps
61st Chinese Corps
20th Chinese Corps
99th Chinese Corps
25th Chinese Corps
13th Chinese Corps
59th Chinese Corps
38th Chinese Corps
76th Chinese Corps
96th Chinese Corps
92nd Chinese Corps
12th Chinese Corps
85th Chinese Corps
75th Chinese Corps
29th Chinese Corps
35th Chinese Corps
50th Chinese Corps
89th Chinese Corps
4th Chinese Corps
120th Red Chinese Division
72nd Chinese Corps
94th Chinese Corps
41st Chinese Corps
1st Chinese Corps
84th Chinese Corps
57th Chinese Corps
9th Chinese Corps
30th Chinese Corps
27th Chinese Corps
19th Chinese Corps
79th Chinese Corps
68th Chinese Corps
46th Chinese Corps
32nd Chinese Corps
2nd Chinese Cavalry Corps
36th Chinese Corps
42nd Chinese Corps
115th Red Chinese Division
97th Chinese Corps
39th Chinese Corps
52nd Chinese Corps
10th Chinese Corps
31st Chinese Corps
16th Chinese Corps
78th Chinese Corps
33rd Chinese Corps
87th Chinese Corps
7th Chinese Corps
60th Chinese Corps
71st Chinese Corps
77th Chinese Corps
49th Chinese Corps
15th Chinese Corps
2nd Prov Chinese Corps
2nd Chinese Corps
73rd Chinese Corps
74th Chinese Corps
37th Chinese Corps
44th Chinese Corps
53rd Chinese Corps
47th Chinese Corps
5th Chinese Cavalry Corps
90th Chinese Corps
70th Chinese Corps
11th Chinese Corps
91st Chinese Corps
4th Chinese Cavalry Corps
67th Chinese Corps
56th Chinese Corps
55th Chinese Corps
62nd Chinese Corps
8th Chinese Corps
81st Chinese Corps
63rd Chinese Corps
9th Prov Chinese Corps
21st Chinese Corps
18th Chinese Corps
5th New Chinese Corps
26th Chinese Corps
3rd Prov Chinese Corps
22nd Chinese Corps
25th Group Army
65th Chinese Corps
18th Group Army
6th Chinese Base Force
51st Chinese Corps
9th Group Army
69th Chinese Corps
19th Group Army
16th Construction Regiment
18th Chinese Base Force
36th Group Army
22nd Group Army
10th Construction Regiment
Jingcha War Area
16th Group Army
13th Group Army
17th Construction Regiment
48th Chinese Corps
18th Artillery Regiment
3rd Chinese Cavalry Corps
83rd Chinese Corps
6th Group Army
31st Group Army
9th Chinese Base Force
3rd Heavy Mortar Regiment
20th Chinese Base Force
35th Group Army
41st AA Regiment
1st Chinese Base Force
20th Artillery Regiment
China Command
8th Construction Regiment
12th Group Army
38th Group Army
2nd War Area
6th War Area
6th Construction Regiment
57th AT Gun Regiment
17th Group Army
14th Group Army
16th Chinese Base Force
5th Group Army
13th Construction Regiment
4th War Area
26th Group Army
Red Chinese Army
Central Reserve
24th Group Army
7th Chinese Base Force
32nd Group Army
1st War Area
7th Artillery Regiment
7th War Area
17th Chinese Base Force
7th Group Army
11th Chinese Base Force
5th War Area
20th Group Army
8th Group Army
3rd Chinese Corps
11th Group Army
8th War Area
2nd Group Army
303rd Brigade
13th Chinese Base Force
2nd Chinese Base Force
40th Chinese Corps
39th Group Army
3rd War Area
9th War Area
CAF HQ
1st Group Army
15th Group Army
12th Construction Regiment
30th Group Army
29th Group Army
4th Chinese Base Force
10th Chinese Base Force
33rd Group Army
21st Group Army
23rd Group Army
1st Construction Regiment
3rd Group Army
11th Construction Regiment
37th Group Army
14th Construction Regiment
27th Group Army
15th Chinese Base Force
49th AA Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 847
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 11/30/2012 10:49:39 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/13/43

Sea of Japan: US sub Silversides sinks from damage after striking mine at Tsushima last game turn. Position of Silverside’s sinking was NW of Matsue (hex location 106, 55).


Formosa Straits: US patrol sub engages Jap surface ASW. Jap TF spotted at this hex position contains two ships, reported moving on W heading. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Taihoku at 88,62 (adjacent hex N of Taihoku)

Japanese Ships
PB Tatsumi Maru

Allied Ships
SS Greenling

SS Greenling launches 2 torpedoes at PB Tatsumi Maru
Greenling diving deep ....
PB Tatsumi Maru fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------


Eastern US: Transport convoy EX-35 (47 ships) departing Eastern US this game turn for Australia via Capetown. Cargo aboard the convoy includes 2 Engineer Amphibious Brigade, one USAAF recon squadron (4 F-10 Mitchell), 137K supply and 51K fuel.


North Pacific: Port facilities at Adak Is now fully expanded to its maximum port size 8(5), airfield construction now underway. A USN Base Force LCU is already located on Adak along with adequate stocks of fuel and supply on hand. With arrival of a sub tender (AS) now enroute to Adak from the US West Coast, development of Adak Is as a forward US submarine base will be completed. Plans are to use Adak as a replenishment base for US patrol submarines operating off the Japanese Home Islands and in the East China Sea.

With development of Adak now completed, plans are to occupy Amchitka and begin construction of base facilities there. Amchitka will likely be developed as a forward air base. Overall strategy in the Aleutians is a step-by-step westward push of fully expanded bases. At this time, there are no plans under consideration for Allied offensive operations from the North Pacific, though a network of fully built Aleutian bases would be in place to support an Allied offensive from the North Pacific if a decision to do this is made later.


South Pacific: US patrol sub intercepts Jap transport TF in the sea area between Ndeni and Luganville. Intercepted radio transmissions from a nearby unidentified Jap TF at sea in hex location 120, 148 (N or Luganville) were reported in a 4/12 Sigint entry. My estimate is the same Jap TF shown in the AAR below is also reported in the Sigint entry – if true, the probable destination of this Jap TF is Luganville. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Utupua at 120,145 (S of Ndeni)

Japanese Ships
xAK Taito Maru
PB Wa 8
xAK Asuka Maru
PB Tamo Maru #6

Allied Ships
SS S-40

SS S-40 launches 2 torpedoes at xAK Taito Maru
S-40 diving deep ....
PB Tamo Maru #6 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------

Sigint entry for 4/12 reports intercepted radio transmissions from an unidentified Jap submarine at hex location 123, 185 (S of Raoul Is, E of Auckland). Jap sub does not impact any current Allied ship operations near Auckland/Suva. Three Allied transport TF which passed through the area all missed the Jap sub - Convoy PW-46 (departing Auckland on return to the US West Coast), Convoy WP-47 arriving in Auckland this game turn (below), plus a local transport TF (5 small xAK, 1 APD) bound from Auckland to Suva. Recent weather conditions in the South Pacific theatre area have been mostly unfavorable for many at-sea detections.

Transport convoy WP-47 (29 transport ships, 3 LST, one AG) arrived in Auckland this game turn from the mainland US. Cargo arriving aboard the convoy includes 9 USN Naval Construction Rgt, one VMF fighter squadron (18 F4F Wildcats), 171K supply and 12K fuel. LST and AG arriving with the convoy will remain in South Pacific theatre for employment in future operations. With the arrival of WP-47, a total of 17 LST are now based in the South Pacific theatre area.

US sub engaged by Japanese surface ASW in open sea north of the Solomons near Tulagi. Cannot determine whether this Jap surface ASW is operating as escort in a transport TF or moving independently. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Auki at 117,136 (ENE of Tulagi)

Japanese Ships
SC CHa-22
SC CHa-41

Allied Ships
SS Seal

SS Seal is sighted by escort
Seal diving deep ....
SC CHa-41 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------

Sigint entry for 4/12 reports intercepted Jap radio transmissions from Noumea. Detected status of Noumea shows unidentified Jap planes based there - current airfield size 2(5), port size 5(4). No other visible Japanese forces or activity.

Daily coastwatcher entries from 4/12 Operations report follow.

Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 3 ships in port at Buna
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 1 ship in port at Noumea
Coastwatcher Report: 3 ships in port at Luganville
Coastwatcher Report: 3 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Finschhafen
Coastwatcher Report: 3 ships in port at Milne Bay
Coastwatcher Report: PB Sansei Maru reported in port at Rabaul
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Australia: Transport convoy EX-31 (7 transports, one large LSI) arrives in Australia from Eastern US via Capetown. Cargo arriving aboard the convoy includes 24K supply and 58K fuel – no LCU or air units. The LSI arriving with the convoy is being detached and will remain in Australia for future amphibious ops with either SW Pacific or South Pacific theatre.


Burma: Detected status of Jap base in Rangoon from British aerial recon – no Japanese ships anchored in port, no Jap TF in harbor (-1 from last report), 108 aircraft (83 fighters, 25 bombers), 7 Jap LCU’s.


Aden: Conversion of some Pacific L Cargo class xAK (3900 cargo capacity) to Pacific Troop class xAP (capacity 1000 troop, 1200 cargo) has started. Approximately 60-65 Pacific L class ships are currently in service, nearly all of them operating in transport convoys between the Eastern US and Australia, also convoy routes between Capetown and India. Intent of this ship conversion is creation of additional smaller xAP for use in amphibious operations.

An exact number of Pacific L class ships to be converted has not been set, current plans include leaving some Pacific L class transports in their present xAK configuration for continued use in long-range transport convoys. Conversions will depend on the number of Pacific L class xAK needed or desired for convoy operations. Five Pacific L class xAK are being converted in the initial group, additional ships will enter conversion as they can be and are removed from transport convoy service. Ship conversions will likely occur across a number of different shipyards according to where the ships entering conversion are located.


China: No reported Japanese ground attacks at Chungking. Number of detected Jap LCU in Chungking base hex increased from 48 to 52 – several Jap LCU previously detected in adjacent hexes to Chungking moved into the Chungking base hex.


< Message edited by wneumann -- 12/1/2012 3:43:17 PM >

(in reply to wneumann)
Post #: 848
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/1/2012 8:01:36 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/14/43

South Pacific: US patrol sub in sea passage between Ndeni and the southern Solomons reports contact with Jap surface ASW. The two SC in the AAR below were encountered last game turn by US sub Seal operating on patrol near Tulagi (to the NW of this contact) – my estimate is the two SC are possibly escorts with an otherwise undetected Jap transport TF moving southbound to either Ndeni or Luganville. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Kirakira at 117,141 (NE of Ndeni)

Japanese Ships
SC CHa-22
SC CHa-41

Allied Ships
SS Tambor

SS Tambor is sighted by escort
SC CHa-41 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------

Daily coastwatcher entries from 4/13 Operations report follow.

Coastwatcher Report: 1 ship in port at Tulagi
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 120,150 near Luganville, Speed unknown
Coastwatcher Report: 3 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Hansa Bay
Coastwatcher Report: 1 ship in port at Port Moresby
Coastwatcher Report: 1 ship in port at Gasmata
Coastwatcher Report: AR Canberra Maru reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher Report: 3 ships in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 120,150 near Luganville, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher sighting: 9 Japanese ships at 120,150 near Luganville, Speed 9, Moving Southwest


Andaman Sea: US patrol sub intercepts small Jap transport TF. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Victoria Point at 48,65 (W of Victoria Point)

Japanese Ships
TK Kyoie Maru, Torpedo hits 1, on fire
SC Ch 3
DD Numakaze

Allied Ships
SS Jack

SS Jack launches 2 torpedoes at TK Kyoie Maru
DD Numakaze attacking submerged sub ....
Escort abandons search for sub

--------------------------------------------------------------------------------


Burma: Detected status of Jap base in Rangoon from British aerial recon – 3 Japanese ships anchored in port (all identified as minesweepers, +3 from last report), no Jap TF in harbor, 109 aircraft (87 fighters, 22 bombers), 7 Jap LCU’s.


Indian Ocean: A risk of the convoy system I omitted from the discussion in an earlier post… increased probability of ship collisions in transport TF’s that contain a large number of ships. Two large xAK from transport convoy CD-21 (24 ships) collided off the Indian coast near Karachi, this convoy enroute from Bombay to Abadan with empty ships to pick up fuel cargo for its return trip to Capetown. Both colliding ships were significantly damaged – the more heavily damaged ship with 40 float damage, 38 engine. The two colliding ships were detached from the convoy and now proceeding independently to shipyards at Aden and Bombay for repair.

While collisions are not a major risk in the convoy system, they do happen. So far in this campaign, I’ve experienced 5-6 significant collisions at sea between ships operating in long distance transport convoys – no ships involved in the collisions were sunk, but all had at least moderate damage requiring time in shipyard for repair. My view on collisions is they are a cost of doing business with operating a transport convoy system.


China: Japanese deliberate ground assault on Chungking. AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (five new Jap LCU appeared in this game turn’s attack, all artillery units transferred to Chungking from Kwantung Army)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Deliberate attack

Attacking force 222481 troops, 2292 guns, 1377 vehicles, Assault Value = 9859
Defending force 502949 troops, 2477 guns, 0 vehicles, Assault Value = 14461
Japanese engineers reduce fortifications to 1
Japanese adjusted assault: 3860
Allied adjusted defense: 7741

Japanese assault odds: 1 to 2 (fort level 1)

Combat modifiers
Defender: terrain(+), leaders(+), experience(-), supply(-)
Attacker:

Japanese ground losses:
18011 casualties reported
Squads: 47 destroyed, 1648 disabled
Non Combat: 4 destroyed, 129 disabled
Engineers: 12 destroyed, 217 disabled
Guns lost 162 (5 destroyed, 157 disabled)
Vehicles lost 65 (3 destroyed, 62 disabled)

Allied ground losses:
30985 casualties reported
Squads: 168 destroyed, 2101 disabled
Non Combat: 385 destroyed, 1286 disabled
Engineers: 14 destroyed, 47 disabled
Guns lost 198 (29 destroyed, 169 disabled)
Units destroyed 10

Assaulting units:
70th Division
40th Division
41st Division
37th Division
8th Armored Car Co
26th Division
32nd Division
58th Division
6th Division
7th Ind.Mixed Brigade
34th Division
104th Division
4th Ind.Mixed Brigade
39th Division
15th Tank Regiment
9th Ind.Mixed Brigade
15th Division
23rd Ind.Mixed Brigade
1st Ind.Mixed Brigade
17th Division
13th Division
36th Division
59th Infantry Brigade
116th Division
3rd Tank Division
22nd Division
35th Division
110th Division
38th Division
6th Medium Field Artillery Regiment
1st Hvy.Artillery Regiment
12th Army
52nd Ind.Mtn.Gun Battalion
1st Mortar Battalion
14th Medium Field Artillery Regiment
2nd Mortar Battalion
4th Ind. Mountain Gun Regiment ** (reported by Sigint at Kienko on 4/07)
11th Ind.Art.Mortar Battalion ** (transferred from Kwantung Army)
2nd Ind. Mountain Gun Regiment
1st Army
10th Ind. Mountain Gun Regiment
2nd Ind.Hvy.Art. Battalion
North China Area Army
23rd Army
13th Ind.Art.Mortar Battalion ** (reported by Sigint at Kienko on 4/07)
21st Mortar Battalion
11th Army
Tonei Hvy Gun Regiment ** (transferred from Kwantung Army)
3rd Ind.Hvy.Art. Battalion
51st Ind.Mtn.Gun Battalion
12th Ind.Art.Mortar Battalion ** (transferred from Kwantung Army)
15th Ind.Medium Field Artillery Regiment
20th Ind. Mtn Gun Battalion

Defending units:
77th Chinese Corps
4th Chinese Corps
63rd Chinese Corps
10th Chinese Corps
1st Chinese Corps
56th Chinese Corps
100th Chinese Corps
21st Chinese Corps
68th Chinese Corps
97th Chinese Corps
75th Chinese Corps
73rd Chinese Corps
74th Chinese Corps
9th Chinese Corps
2nd Prov Chinese Corps
81st Chinese Corps
15th Chinese Corps
79th Chinese Corps
93rd Chinese Corps
5th Chinese Cavalry Corps
47th Chinese Corps
87th Chinese Corps
91st Chinese Corps
16th Chinese Corps
99th Chinese Corps
19th Chinese Corps
46th Chinese Corps
35th Chinese Corps
50th Chinese Corps
20th Chinese Corps
85th Chinese Corps
92nd Chinese Corps
42nd Chinese Corps
60th Chinese Corps
90th Chinese Corps
84th Chinese Corps
9th Prov Chinese Corps
67th Chinese Corps
38th Chinese Corps
45th Chinese Corps
41st Chinese Corps
53rd Chinese Corps
4th Chinese Cavalry Corps
8th Chinese Corps
11th Chinese Corps
70th Chinese Corps
44th Chinese Corps
96th Chinese Corps
57th Chinese Corps
86th Chinese Corps
36th Chinese Corps
2nd Chinese Corps
14th Chinese Corps
37th Chinese Corps
5th New Chinese Corps
78th Chinese Corps
2nd Chinese Cavalry Corps
89th Chinese Corps
26th Chinese Corps
115th Red Chinese Division
31st Chinese Corps
25th Chinese Corps
59th Chinese Corps
43rd Chinese Corps
1st New Chinese Corps
32nd Chinese Corps
55th Chinese Corps
62nd Chinese Corps
12th Chinese Corps
76th Chinese Corps
27th Chinese Corps
29th Chinese Corps
120th Red Chinese Division
72nd Chinese Corps
1st Chinese Cavalry Corps
71st Chinese Corps
61st Chinese Corps
94th Chinese Corps
7th Chinese Corps
39th Chinese Corps
18th Chinese Corps
13th Chinese Corps
49th Chinese Corps
52nd Chinese Corps
33rd Chinese Corps
30th Chinese Corps
3rd Prov Chinese Corps
9th Chinese Base Force
303rd Brigade
24th Group Army
31st Group Army
5th Group Army
4th War Area
12th Construction Regiment
32nd Group Army
2nd Chinese Base Force
51st Chinese Corps
11th Group Army
8th Group Army
65th Chinese Corps
20th Group Army
23rd Group Army
Red Chinese Army
Central Reserve
Jingcha War Area
6th Chinese Base Force
3rd Chinese Cavalry Corps
12th Group Army
19th Group Army
China Command
13th Group Army
16th Chinese Base Force
10th Construction Regiment
11th Construction Regiment
11th Chinese Base Force
20th Artillery Regiment
33rd Group Army
35th Group Army
6th Construction Regiment
69th Chinese Corps
18th Group Army
48th Chinese Corps
17th Group Army
15th Group Army
1st Construction Regiment
21st Group Army
6th War Area
30th Group Army
CAF HQ
7th Group Army
16th Construction Regiment
5th War Area
14th Group Army
15th Chinese Base Force
26th Group Army
16th Group Army
9th Group Army
41st AA Regiment
3rd War Area
38th Group Army
1st Group Army
14th Construction Regiment
25th Group Army
13th Chinese Base Force
17th Chinese Corps
4th Chinese Base Force
18th Chinese Base Force
1st War Area
10th Chinese Base Force
83rd Chinese Corps
20th Chinese Base Force
22nd Group Army
18th Artillery Regiment
3rd Heavy Mortar Regiment
37th Group Army
36th Group Army
6th Group Army
8th War Area
2nd Group Army
3rd Chinese Corps
22nd Chinese Corps
7th War Area
17th Construction Regiment
7th Chinese Base Force
27th Group Army
57th AT Gun Regiment
2nd War Area
3rd Group Army
8th Construction Regiment
17th Chinese Base Force
1st Chinese Base Force
29th Group Army
7th New Chinese Corps
40th Chinese Corps
7th Artillery Regiment
9th War Area
39th Group Army
13th Construction Regiment
49th AA Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 849
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/3/2012 11:45:02 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/15/43

Formosa Straits: US patrol sub engages Jap transport TF in a night surface action near northern exit of passage between Formosa and mainland China. SS Greenling reports contact with Jap TF (five ships including two AM) moving NE. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Taihoku at 88,62 (NW of Taihoku)

Japanese Ships
xAKL Heiku Maru, Shell hits 8

Allied Ships
SS Greenling, hits 2 (system damage 5, remains on patrol)

xAKL Heiku Maru is sighted by SS Greenling
SS Greenling attacking xAKL Heiku Maru on the surface
Coe, J.W. decides to submerge SS Greenling due to damage

--------------------------------------------------------------------------------


Central Pacific: Sigint entry for 4/14 reports intercepted Jap radio transmission from Wake Is. Detected status of Lunga shows unidentified Jap aircraft based there, airfield size 3(0), port size 1(0). No other visible Japanese forces or activity observed at Wake Is.


South Pacific: Sigint entry for 4/14 reports intercepted Jap radio transmission from Lunga. Detected status of Lunga shows no visible Japanese forces or activity.

Daily coastwatcher entries from 4/14 Operations report follow.

Coastwatcher Report: 1 ship in port at Tulagi
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher sighting: 8 Japanese ships at 120,150 near Luganville, Speed unknown
Coastwatcher Report: 3 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Buna
Coastwatcher Report: 1 ship in port at Hansa Bay
Coastwatcher Report: 1 ship in port at Madang
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 104,133 near Woodlark Island, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Andaman Sea: US patrol sub attacked and damaged by Jap surface ASW. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Victoria Point at 48,63 (WNW of Victoria Point)

Japanese Ships
DD Mutsuki
E Hachijo
DD Isonami

Allied Ships
SS Jack, hits 2 (system 6, float 23, engine 3 – returning to base at 15 kts for repair)

SS Jack is located by DD Mutsuki
DD Mutsuki fails to find sub and abandons search
DD Isonami attacking submerged sub ....
DD Isonami is out of ASW ammo
Escort abandons search for sub

--------------------------------------------------------------------------------


Burma: Detected status of Jap base in Rangoon from British aerial recon – 2 Japanese ships anchored in port (-1 from last report), 2 Jap TF in harbor (+2 from last report), 112 aircraft (84 fighters, 28 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking.

(in reply to wneumann)
Post #: 850
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/3/2012 11:48:59 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Aftermath of an at-sea ship collision

In experience with previous ship collisions at-sea, my practice had been to detach a heavily damaged ship from a transport convoy TF in situations where damage to the ship resulted in severe loss of speed and reduced speed of the damaged ship significantly slowed down movement of the entire convoy. The procedure creates a new TF at sea (from the transport convoy’s TF display) and transfers the heavily damaged ship into the new TF. The damaged ship would move independently as a straggler while the main body of the convoy TF continued movement at normal speed. In all cases to date, the damaged ship safely reached port somewhat later than the rest of the convoy, unloaded its cargo, then disbanded and placed into shipyard for repair. This process had been done quite successfully on the 4-5 previous ship collision incidents where it was necessary to detach a heavily damaged ship for this reason. It should be noted that not all ship collisions leave one or both ships severely damaged to a point where this procedure is necessary – I’ve had ship collisions where both ships involved remained with the convoy and the convoy continued normal movement without further incident.

The collision incident described here occurred this game turn (4/15/43) between two ships in outbound Convoy WP-49 (40 ships) bound for the South Pacific from the mainland US. The collision took place between a LST and an APA - the LST heavily damaged in the collision and its speed reduced to 4 kts, also slowing the entire convoy TF to this rate of movement. The APA in the collision (not shown below) was lightly damaged with only a small reduction in speed not impacting the convoy's overall speed.

A TF display of Convoy WP-49 showing the LST damaged in the collision (LST-459) follows – disregard destination and home port settings for the TF shown on the display as both settings have since been changed.




Attachment (1)

< Message edited by wneumann -- 12/3/2012 11:53:46 PM >

(in reply to wneumann)
Post #: 851
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/3/2012 11:56:49 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Aftermath of an at-sea ship collision (continued)

My initial plan of action following this collision was detaching LST-459 (the more heavily damaged ship in the collision) from Convoy WP-49, allowing the remainder of the convoy to proceed to its planned destination. The damaged LST would move separately.

So much for plans… At this time I have no certain idea of what is causing this, though my first guess is the AE game is having some kind of anomaly or bug with this particular TF. This problem is not occurring with any other Allied TF in play, everything else appears to be running normally. Below I’ll describe the visible symptoms of this bug, anomaly or whatever it is along with actions I examined or currently taking in the game to resolve the problem. If any readers are also experiencing this problem in the game, or have any comments/suggestions to add concerning my response to this situation, you’re certainly welcome to chime in.

The “oh-oh” moment occurred when I selected “Form New TF” from the convoy TF’s display (shown in last post) to detach the damaged LST. What I got is the display shown below – a Select TF mission display for the new TF with no TF missions to select. What was shown below pretty much ended any attempt to create a new TF from the convoy to detach the damaged LST. Moving to the next screen, the Ship Selection display (next screen from the display below in the Form New TF sequence) did not show any of the expected list of ships from the Convoy WP-49 TF for selection, making it impossible to select the damaged LST and move it into the new TF.




So what to do with the convoy? It’s apparent for now the damaged LST cannot be separated into its own TF from the rest of Convoy WP-49’s transport TF. At this point the entire convoy is moving at 4 kts speed as long as the damaged LST remains in the convoy TF.

It appears at this point the surest available method of separating the damaged LST from Convoy WP-49 is first get the convoy to a port where the convoy TF can be disbanded. Once the convoy is disbanded, it can be re-formed as a new transport TF and the next appropriate action(s) taken.

However (slightly adding to the problem), there is one LCU is loaded as cargo aboard 3 APA in the convoy (not shown in the convoy’s TF display in my previous post). With an LCU aboard the convoy, the convoy must first be unloaded at least to the point where all LCU elements are disembarked from the 3 APA before Convoy WP-49’s TF can be disbanded. Once the 3 APA carrying the LCU are unloaded, it should then be possible to disband the convoy TF regardless of cargo (supply only) remaining aboard its ships.

Once the current transport TF of Convoy WP-49 is disbanded, plans are to re-form the convoy as a new transport TF without the damaged LST and continue. A separate TF with the damaged LST will be formed at the base where the original convoy TF is disbanded and the LST dispatched to shipyard for eventual repair.

A decision was made to divert Convoy WP-49 to the nearest available port (Tahiti) where the convoy will begin unloading (all ships) until LCU elements are completely unloaded from the three APA and the convoy TF can then be disbanded. Tahiti’s port capacity is size 5 - well below that required to dock all ships in the convoy TF. Unloading process for WP-49 in Tahiti will be done with the convoy TF undocked.

Estimated time of movement of WP-49 from its current position to Tahiti is approximately 7-8 days at the present 4 kts speed. There is the possibility with good damage control results aboard the LST, movement speed of the convoy may increase. Plans include salvage of damaged LST-459 if possible.


Attachment (1)

< Message edited by wneumann -- 12/4/2012 12:16:03 AM >

(in reply to wneumann)
Post #: 852
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/4/2012 2:28:44 AM   
guytipton41


Posts: 289
Joined: 2/26/2011
From: Houston, TX
Status: offline

quote:

ORIGINAL: wneumann

Aftermath of an at-sea ship collision (continued)

My initial plan of action following this collision was detaching LST-459 (the more heavily damaged ship in the collision) from Convoy WP-49, allowing the remainder of the convoy to proceed to its planned destination. The damaged LST would move separately.

So much for plans… At this time I have no certain idea of what is causing this, though my first guess is the AE game is having some kind of anomaly or bug with this particular TF. This problem is not occurring with any other Allied TF in play, everything else appears to be running normally. Below I’ll describe the visible symptoms of this bug, anomaly or whatever it is along with actions I examined or currently taking in the game to resolve the problem. If any readers are also experiencing this problem in the game, or have any comments/suggestions to add concerning my response to this situation, you’re certainly welcome to chime in.

The “oh-oh” moment occurred when I selected “Form New TF” from the convoy TF’s display (shown in last post) to detach the damaged LST. What I got is the display shown below – a Select TF mission display for the new TF with no TF missions to select. What was shown below pretty much ended any attempt to create a new TF from the convoy to detach the damaged LST. Moving to the next screen, the Ship Selection display (next screen from the display below in the Form New TF sequence) did not show any of the expected list of ships from the Convoy WP-49 TF for selection, making it impossible to select the damaged LST and move it into the new TF.



Hi wneumann,

Interesting problem. I have also be using a convoy system and have had a couple of significant collisions! The most memorable is when 2 xAKs on the Cape Town to Bombay return run ran into each other and then proceeded into the off-map area. I couldn't do anything with the convoy until it got to Cape Town... at 4 knots.

I was going to ask if the LST had any troops on it but a look at the prior posting negated that possibility. If it doesn't clear up in a couple of day you might post something in the Tech Support forum.

Cheers,
Guy

(in reply to wneumann)
Post #: 853
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/4/2012 5:11:59 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Update on the WP-49 Ship Collision (4/16/43 game turn)

The convoy is moving at 4 kts speed with the damaged LST in tow. Ship display of damaged LST-459 follows. Damage control aboard the LST has repaired a small amount of float damage - indicating the LST is probably salvageable. However, given most of LST-459's float and engine damage is major, the LST is not expected to undergo a miracle at sea where all its damage goes away. Repair of the LST will certainly involve shipyard time and it has to reach a shipyard first.

I attempted the Form New TF process again from WP-49's task force display, it continues doing the same thing as reported earlier. It's becoming more certain my best option to split the damaged LST from the rest of Convoy WP-49 is disbanding the convoy TF in a port after unloading the convoy to where I can disband it. At this time, I'm continuing with the plan as posted earlier.


Another option to resolve the problem is appearing that might be possible in the next 5-6 game turns. Another transport convoy (Convoy PW-46 with empty ships returning to the US) is expected to pass near WP-49 in about 5 days. This plan would involve detaching one empty transport ship from Convoy PW-46 as a separate transport TF as the two convoys are approaching each other. The detached transport TF from PW-46 would then be sent to meet Convoy WP-49 (but not merge with WP-49). Once the detached transport from PW-46 and Convoy WP-49 are in the same hex, the Transfer Ship process will be attempted from PW-46's detached transport TF display to remove the damaged LST from PW-49 and attach it with the detached transport ship from WP-46.

If successful, this would eliminate the need to divert, unload and disband Convoy WP-49 - allowing the convoy to continue its original planned movement. The damaged LST would then be in a small 2-ship TF which is considerably simpler to handle.


guy,

Thanks for posting.

quote:

was going to ask if the LST had any troops on it but a look at the prior posting negated that possibility.

You're correct. The LST is carrying a supply cargo. Convoy WP-49 contains 10 LST (including the damaged one) to be transferred to South Pacific on arrival.




Attachment (1)

< Message edited by wneumann -- 12/4/2012 10:56:10 PM >

(in reply to guytipton41)
Post #: 854
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/4/2012 10:55:15 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/16/43

Japanese Home Islands: Unidentified Jap TF(s) detected off the NE coast of Honshu, between Sendai and Ominato. No entry reporting this Jap TF appears in the 4/15 Sigint, Operations, Combat Events or AAR reports. No information available as to the number of Jap TF off Honshu, their composition or movement.


Central Pacific: US patrol sub intercepts Jap transport TF southwest of the Marshalls. The Jap TF appears to be in a movement path between Kwajalein and either Nauru or Ocean Is. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Ebon at 129,123 (SW of Kwajalein)

Japanese Ships
xAK Kuretake Maru, Torpedo hits 1, on fire
xAK Yasuteru Maru
xAK Tsuyama Maru
PB Sinko Maru

Allied Ships
SS Albacore

SS Albacore launches 4 torpedoes at xAK Kuretake Maru
Albacore diving deep ....
PB Sinko Maru attacking submerged sub ....
Escort abandons search for sub

--------------------------------------------------------------------------------

US sub Seadragon spots a small Jap transport TF near Kwajalein at hex location 131, 118. The detected Jap TF is reported to contain 4 ships including one SC, one AP. Reported movement of the Jap TF is on a NE heading, probable destination Kwajalein. It’s possible the Jap TF spotted by SS Seadragon could be the same TF attacked by SS Albacore (see AAR above) to the SW of SS Seadragon’s contact – though available information neither proves nor disproves the possibility.

Sigint entries for 4/15 report intercepted Jap radio transmissions from Nauru and Canton Is. Unidentified Jap aircraft are shown based at both Nauru and Canton, ship(s) in port at Nauru. No other visible Japanese forces or activity observed at the two bases.

Unidentified Jap TF(s) detected at Majuro. A 4/15 Sigint entry reports a Jap AK moving to Majuro - no other available information as to number of Jap TF at Majuro, their composition or movement.


South Pacific: Daily coastwatcher entries from 4/15 Operations report follow.

Coastwatcher Report: 1 ship in port at Finschhafen
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 3 ships in port at Milne Bay
Coastwatcher Report: 3 ships in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Koumac
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher Report: 1 ship in port at Luganville
Coastwatcher Report: 3 ships in port at Lunga
Coastwatcher Report: 4 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Thousand Ships Bay
Coastwatcher Report: 3 ships in port at Tulagi
Coastwatcher Report: 1 ship in port at Hansa Bay
Coastwatcher Report: 2 ships reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher Report: 1 ship in port at Hoorn Islands
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 120,150 near Luganville, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Burma: Detected status of Jap base in Rangoon from British aerial recon – 2 Japanese ships anchored in port, no Jap TF in harbor (-2 from last report), 83 aircraft (56 fighters, 27 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking.

(in reply to wneumann)
Post #: 855
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/6/2012 3:22:49 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/17/43

Formosa Straits: US patrol sub intercepts Jap transport at northern exit of sea passage between Formosa and mainland China. AAR follows.

--------------------------------------------------------------------------------
Submarine attack near Taihoku at 87,61 (NE of Foochow)

Japanese Ships
xAK Yamagata Maru (dud torpedo hit)

Allied Ships
SS Greenling

xAK Yamagata Maru is sighted by SS Greenling
SS Greenling launches 2 torpedoes

--------------------------------------------------------------------------------


Central Pacific: Sigint entry for 4/16 reports intercepted Jap radio transmissions from Majuro. Detected status at Majuro shows no visible Japanese forces or activity.


South Pacific: Daily coastwatcher entries from 4/16 Operations report follow.

Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Gasmata
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 5 ships in port at Noumea
Coastwatcher Report: 4 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Tulagi
Coastwatcher Report: 1 ship in port at Ndeni
Coastwatcher Report: 3 ships in port at Buna
Coastwatcher Report: 1 ship in port at Milne Bay
Coastwatcher Report: 1 ship in port at Port Moresby
Coastwatcher Report: xAK Sumiyoshi Maru reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Belep Islands
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 120,154 near Efate, Speed 3, Moving Southeast


Andaman Sea: US patrol sub intercepts small Jap transport TF, torpedoes TK carrying oil cargo. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Phuket at 47,69 (adjacent hex SW of Phuket)

Japanese Ships
TK Kyokuzan Maru, Torpedo hits 1, on fire, heavy damage
SC CHa-10
PB Shanan Maru #16

Allied Ships
SS Peto

SS Peto launches 2 torpedoes at TK Kyokuzan Maru
Peto diving deep ....
PB Shanan Maru #16 attacking submerged sub ....
PB Shanan Maru #16 is out of ASW ammo
Escort abandons search for sub

--------------------------------------------------------------------------------


Burma: Detected status of Jap base in Rangoon from British aerial recon – 1 Japanese ship anchored in port (-1 from last report), 1 Jap TF in harbor (+1 from last report), 76 aircraft (57 fighters, 19 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking.

(in reply to wneumann)
Post #: 856
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/7/2012 11:12:48 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/18/43

Formosa Straits: US patrol sub at northern exit of sea passage between Formosa and mainland China again intercepts a Jap transport. AAR follows.

--------------------------------------------------------------------------------
Submarine attack near Taihoku at 88,62 (adjacent hex NW of Taihoku)

Japanese Ships
xAK Tokusima Maru

Allied Ships
SS Greenling

xAK Tokusima Maru is sighted by SS Greenling
SS Greenling launches 2 torpedoes

--------------------------------------------------------------------------------


Central Pacific: US sub Seadragon reports multiple contacts with Jap aircraft including D3A1 Val and an E7K2 Alf float plane at hex 131, 118 (SW of Kwajalein). No visible Jap TF in the immediate vicinity of SS Seadragon. E7K2 Alf are known to operate as ship-borne planes from Jap CL and some CA, D3A1 Vals pretty much speak for themselves. This situation near Kwajalein justifies monitoring for further developments. While it cannot be concluded from the report Jap carriers are definitely located at or near Kwajalein, the combination of planes (D3A1 Val & E7K2 Alf) identified by SS Seadragon is of interest and does not eliminate the possibility.

US patrol sub intercepts and sinks Japanese transport, the xAKL sunk in this attack had possibly been moving between Nauru and Kwajalein. AAR follows.

--------------------------------------------------------------------------------
Submarine attack near Ebon at 129,123 (NW of Nauru)

Japanese Ships
xAKL Ryua Maru, Torpedo hits 2, on fire, heavy damage (sunk)

Allied Ships
SS Albacore

xAKL Ryua Maru is sighted by SS Albacore
SS Albacore launches 2 torpedoes at xAKL Ryua Maru

--------------------------------------------------------------------------------

Sigint entry for 4/17 reports intercepted Jap radio transmissions from Baker Is. Detected status at Baker Is shows unidentified Jap aircraft based there, no other visible Japanese forces or activity.

Heavy volume of intercepted Jap radio transmissions reported at Truk in another Sigint entry for 4/17. Detected status of Truk shows the expected unidentified Jap aircraft based there, also ship(s) anchored in port. No other visible Japanese forces or activity observed at Truk.


Update on Convoy WP-49: Still chugging along at 4 kts with the damaged LST, expected arrival of the convoy at Tahiti in 4 days. Damage control aboard the LST is still removing non-major float and engine damage. The original plan to remove the damaged LST from the convoy by moving the convoy to Tahiti then unloading and disbanding the convoy TF continues for the moment. I'm continuing to explore alternative solutions that are feasible for this specific situation.


South Pacific: Daily coastwatcher entries from 4/17 Operations report follow.

Coastwatcher Report: 1 ship in port at Salamaua
Coastwatcher Report: 4 ships reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Koumac
Coastwatcher Report: 5 ships in port at Noumea
Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 4 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Thousand Ships Bay
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: 4 ships reported in port at Rabaul
Coastwatcher Report: 3 ships in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Belep Islands
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher sighting: 4 Japanese ships at 115,160 near Noumea, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher sighting: 10 Japanese ships at 120,150 near Luganville, Speed unknown


Burma: Detected status of Jap base in Rangoon from British aerial recon – 3 Japanese ship anchored in port (+2 from last report), 1 Jap TF in harbor, 96 aircraft (70 fighters, 26 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking.


< Message edited by wneumann -- 12/7/2012 11:13:38 PM >

(in reply to wneumann)
Post #: 857
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/10/2012 3:49:45 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/19/43

Eastern US: Transport convoy EX-36 (39 ships) departs this game turn for Australia via Capetown. Cargo loaded aboard the convoy includes one USAAF squadron (16 B-25 Mitchell), 106K supply and 48K fuel.


US West Coast: Multiple reports of contacts between various US ships and an E14Y1 Glen floatplane at San Francisco. No Jap submarine visible on-map in the sea area near San Francisco.

Another ship collision… this time between two xAP in outbound transport convoy WP-50A to Hawaii, one xAP with heavy damage and slowed to 4 kts speed. Both ships involved in this collision are carrying elements of 31 US Infantry Rgt (this unit rebuilt from destroyed LCU after its earlier elimination in Bataan). Unlike the recent incident with Convoy WP-49, the more heavily damaged xAP with an escort was successfully detached into a separate TF from the main body of the convoy - the detached xAP appears to be in no danger of sinking and proceeding to Hawaii at its best possible movement speed.


Central Pacific: No further contacts with Jap planes or ships near Kwajalein reported this game turn. It’s likely the D3A1 Val and E7K2 Alf float plane contacts reported on 4/18 by SS Seadragon near Kwajalein were ship-borne aircraft – the Japanese ships these planes were operating from have either departed from the sea area near Kwajalein or the ships are now dormant in Kwajalein base.


Update on Convoy WP-49: No change from last game turn. Convoy now expected to reach Tahiti in 3 days.


South Pacific: US S-class sub patrol enters Luganville base hex, finds and attacks Jap transports reported at Luganville in a 4/17 Operations Report coastwatcher entry. AAR follows.

--------------------------------------------------------------------------------
Sub attack at Luganville 120,150

Japanese Ships (8 Jap ships spotted in Luganville by S-35)
xAK Atlas Maru
xAK Hakubasan Maru
xAK Taito Maru
PB Tamo Maru #6

Allied Ships
SS S-35

SS S-35 launches 2 torpedoes at xAK Atlas Maru
PB Tamo Maru #6 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------


Daily coastwatcher entries from 4/18 Operations report follow.

Coastwatcher Report: 1 ship in port at Shortlands
Coastwatcher Report: 3 ships in port at Buna
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Port Moresby
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 3 ships in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Belep Islands
Coastwatcher Report: 3 ships in port at Noumea
Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 3 ships in port at Woodlark Island
Coastwatcher Report: 4 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher Report: 3 ships in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 120,154 near Efate, Speed unknown


Andaman Sea: US submarine Peto on patrol at northern entry of Malacca Straits has contact with Jap transport TF moving southbound, no reported combat. Composition of Jap TF reported to be 4 ships including one AK, one APD, one DD.


Burma: Detected status of Jap base in Rangoon from British aerial recon – 4 Japanese ship anchored in port (+1 from last report), 1 Jap TF in harbor, 111 aircraft (88 fighters, 23 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking.

(in reply to wneumann)
Post #: 858
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/11/2012 1:37:07 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/20/43

Formosa Straits: US fleet sub Greenling on patrol NW of Taihoku spots a southbound Jap transport TF (5 ships including 2 TK) entering the straits. No reported combat.


Central Pacific: An outbound task force of US fleet subs from Pearl Harbor enroute to assigned patrol zones intercepted by a Jap sub patrol. AAR follows.

--------------------------------------------------------------------------------
Sub vs Sub: SS I-29 attacking SS Grayback at 175,111 (E of Johnston Is)

Japanese Ships
SS I-29

Allied Ships (US sub TF includes SS Grayback + 3 other fleet subs)
SS Grayback

SS I-29 launches 2 torpedoes at 2,000 yards

--------------------------------------------------------------------------------

Sigint entry for 4/19 reports intercepted Jap radio transmissions from Jaluit. Detected status of Jaluit shows Jap LCU(s) located on the island – a second 4/19 Sigint entry reported Jaluit Naval Fortress is located on Jaluit (this LCU already known to be there). No other visible Japanese forces or activity observed at Jaluit.

Intercepted Jap radio transmissions from Tabiteuea were reported in another 4/19 Sigint entry. Detected status of Tabiteuea shows unidentified Jap aircraft based there, also ship(s) anchored in port. No other visible Japanese forces or activity observed at Tabiteuea.


South Pacific: US patrol sub S-35 remains in Luganville base hex. Five Japanese ships spotted by S-35 at Luganville, this report confirmed in several 4/19 coastwatcher entries listed below. No reported combat.

A Sigint entry for 4/19 is reporting elements of Jap 10th Infantry Division have been loaded for transfer by sea from Noumea to Lunga. 10 Division has been located at Noumea for some time (transferred here from Kwantung Army) and presumed to be stationed in Noumea as its permanent garrison. It’s very unlikely Pillager is moving all of 10th Division out of Noumea – the reported move to Lunga more probably transfer of a detachment from the division with most of 10 Division remaining in Noumea.

Daily coastwatcher entries from 4/19 Operations report follow.

Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Shortlands
Coastwatcher Report: 3 ships in port at Tulagi
Coastwatcher Report: 3 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Gasmata
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 1 ship in port at Manus
Coastwatcher Report: 3 ships in port at Luganville
Coastwatcher Report: 1 ship in port at Lunga
Coastwatcher Report: 1 ship in port at Lae
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Salamaua
Coastwatcher Report: 4 ships in port at Noumea
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher Report: 1 ship in port at Hoorn Islands
Coastwatcher sighting: 5 Japanese ships at 120,150 near Luganville, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 120,152 near Ambrym, Speed 9, Moving Northwest


SW Pacific: Sigint entry for 4/19 reports intercepted Jap radio transmissions from Port Moresby. Detected status of Port Moresby shows unidentified Jap aircraft based there – no previous report of Japanese air activity in or from Port Moresby. No other visible Jap forces or activity observed in Port Moresby.


DEI: US sub patrol enters Java Sea via Darwin, attacks Jap transport off Soerabaja. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Soerabaja at 56,103 (adjacent hex N of Soerabaja)

Japanese Ships
xAK Tamashima Maru, Torpedo hits 2, on fire, heavy damage (sunk)

Allied Ships
SS Perch

SS Perch launches 2 torpedoes

--------------------------------------------------------------------------------

Pillager has created some obstacles for Allied subs attempting to infiltrate the Java Sea from the south (Indian Ocean) and west (via Malacca Straits) in order to attack Jap transport shipping from Palembang, Soerabaja and other major oil/resource ports in interior sea areas of the DEI . Jap mine fields are known to be in place at several entry points to the Java Sea from the south, notably the Sunda Strait between Sumatra and Java. Malacca Straits is being watched and patrolled closely by Japanese air and surface ASW forces – creating a “gauntlet” for Allied subs attempting passage through the straits. Original plans for Allied submarine infiltration of the Java Sea had been to move subs from Colombo into the Java Sea mainly via Sunda and Malacca Straits – Pillager’s Japanese ASW measures making this plan considerably less feasible though not entirely impossible.

However… other entry points to the Java Sea are being explored. These include a northern route via the Celebes Sea (passing to the S of Mindanao) into the Macassar Strait – this passage also useful against Tarakan and Balikpapan. A number of other entry points into the Java Sea from the east are available through and near Darwin. SS Perch in the AAR above reached Soerabaja via this approach route. All these alternatives involve longer movement routes (somewhat of an inconvenience), hopefully results of US and Allied subs in the Java Sea outweigh this.

Plans are to use Darwin as a staging and refueling port for US/Allied subs entering the Java Sea area via northern or eastern routes. Full replenishment of subs would be done at Perth or bases on the Australian east coast. Pillager would easily sink any Allied AS sent to Darwin using Jap LBA from Timor, also Darwin has relatively low supply on-hand – both these factors limiting Darwin’s value as a support base for sub operations beyond its use as a refuelling point.

Current plans do not anticipate a large number of US/Allied subs operating in interior sea areas of the DEI or having them operate there continuously, though I definitely intend to establish a presence. US and Allied patrol subs have (by now) entered and operated in virtually every Japanese controlled sea area on at least a part-time basis. While the total number of available Allied subs is not enough to continuously patrol every Japanese controlled sea area, I have been able to turn large areas of the Pacific into a “carpet” of US sub patrol areas. The objective is creating a situation where any given Japanese TF can encounter at least one (if not several) Allied subs during its sea movement – regardless of the Jap TF’s port of origin, destination or current whereabouts. The objective is not intercepting every Japanese TF, but making Pillager’s job of dispatching/protecting Japanese naval and sea transport a bit more interesting. Another result of this strategy could also force dispersal of Jap air and surface ASW forces over a much wider area.


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ship anchored in port (+5 from last report), 1 Jap TF in harbor, 107 aircraft (82 fighters, 25 bombers), 7 Jap LCU’s. Most of the Japanese ships anchored in Rangoon port identified as minesweepers or light surface ASW ships (PB, SC).


China: Japanese ground bombardment at Chungking. AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Bombardment attack

Attacking force 280192 troops, 2799 guns, 1453 vehicles, Assault Value = 9561
Defending force 492432 troops, 2361 guns, 0 vehicles, Assault Value = 13495

Allied ground losses:
438 casualties reported
Squads: 8 destroyed, 35 disabled
Non Combat: 0 destroyed, 9 disabled
Engineers: 0 destroyed, 0 disabled

Assaulting units:
1st Ind.Mixed Brigade
58th Division
104th Division
9th Ind.Mixed Brigade
37th Division
3rd Tank Division
34th Division
13th Division
59th Infantry Brigade
36th Division
22nd Division
70th Division
26th Division
15th Tank Regiment
40th Division
32nd Division
23rd Ind.Mixed Brigade
35th Division
17th Division
39th Division
4th Ind.Mixed Brigade
116th Division
7th Ind.Mixed Brigade
15th Division
41st Division
6th Division
8th Armored Car Co
110th Division
38th Division
13th Ind.Art.Mortar Battalion
4th Ind. Mountain Gun Regiment
15th Ind.Medium Field Artillery Regiment
2nd Mortar Battalion
Tonei Hvy Gun Regiment
North China Area Army
3rd Ind.Hvy.Art. Battalion
14th Medium Field Artillery Regiment
1st Mortar Battalion
11th Army
23rd Army
52nd Ind.Mtn.Gun Battalion
12th Army
2nd Ind.Hvy.Art. Battalion
1st Hvy.Artillery Regiment
6th Medium Field Artillery Regiment
10th Ind. Mountain Gun Regiment
51st Ind.Mtn.Gun Battalion
2nd Ind. Mountain Gun Regiment
11th Ind.Art.Mortar Battalion
1st Army
12th Ind.Art.Mortar Battalion
21st Mortar Battalion
20th Ind. Mtn Gun Battalion

Defending units:
7th Chinese Corps
67th Chinese Corps
86th Chinese Corps
10th Chinese Corps
26th Chinese Corps
75th Chinese Corps
11th Chinese Corps
53rd Chinese Corps
44th Chinese Corps
96th Chinese Corps
3rd Chinese Corps
74th Chinese Corps
42nd Chinese Corps
76th Chinese Corps
78th Chinese Corps
32nd Chinese Corps
77th Chinese Corps
4th Chinese Corps
18th Chinese Corps
9th Prov Chinese Corps
45th Chinese Corps
100th Chinese Corps
91st Chinese Corps
90th Chinese Corps
30th Chinese Corps
99th Chinese Corps
72nd Chinese Corps
46th Chinese Corps
5th Chinese Cavalry Corps
2nd Prov Chinese Corps
79th Chinese Corps
87th Chinese Corps
49th Chinese Corps
89th Chinese Corps
84th Chinese Corps
21st Chinese Corps
39th Chinese Corps
98th Chinese Corps
16th Chinese Corps
63rd Chinese Corps
59th Chinese Corps
12th Chinese Corps
41st Chinese Corps
81st Chinese Corps
70th Chinese Corps
13th Chinese Corps
1st New Chinese Corps
31st Chinese Corps
71st Chinese Corps
68th Chinese Corps
25th Chinese Corps
3rd Prov Chinese Corps
115th Red Chinese Division
14th Chinese Corps
19th Chinese Corps
5th New Chinese Corps
15th Chinese Corps
4th Chinese Cavalry Corps
52nd Chinese Corps
2nd Chinese Cavalry Corps
120th Red Chinese Division
94th Chinese Corps
73rd Chinese Corps
43rd Chinese Corps
29th Chinese Corps
47th Chinese Corps
20th Chinese Corps
93rd Chinese Corps
9th Chinese Corps
97th Chinese Corps
33rd Chinese Corps
27th Chinese Corps
1st Chinese Corps
62nd Chinese Corps
61st Chinese Corps
60th Chinese Corps
35th Chinese Corps
38th Chinese Corps
8th Chinese Corps
50th Chinese Corps
2nd Chinese Corps
57th Chinese Corps
37th Chinese Corps
1st Chinese Cavalry Corps
55th Chinese Corps
85th Chinese Corps
92nd Chinese Corps
56th Chinese Corps
3rd Construction Regiment
32nd Group Army
4th Chinese Base Force
35th Group Army
39th Group Army
CAF HQ
1st Construction Regiment
2nd Group Army
2nd War Area
41st AA Regiment
7th New Chinese Corps
1st Group Army
12th Group Army
7th Artillery Regiment
13th Group Army
20th Group Army
7th Chinese Base Force
16th Construction Regiment
15th Group Army
3rd War Area
9th War Area
10th Chinese Base Force
6th Construction Regiment
2nd Chinese Base Force
25th Group Army
36th Chinese Corps
Red Chinese Army
26th Group Army
65th Chinese Corps
6th Group Army
12th Construction Regiment
7th War Area
36th Group Army
14th Construction Regiment
4th War Area
6th Chinese Base Force
17th Construction Regiment
13th Construction Regiment
18th Artillery Regiment
69th Chinese Corps
11th Chinese Base Force
27th Group Army
China Command
11th Construction Regiment
38th Group Army
18th Group Army
8th Construction Regiment
7th Group Army
16th Group Army
13th Chinese Base Force
20th Chinese Base Force
1st Chinese Base Force
22nd Group Army
5th Group Army
6th War Area
23rd Group Army
10th Construction Regiment
17th Chinese Base Force
18th Chinese Base Force
24th Group Army
8th War Area
9th Group Army
19th Group Army
Jingcha War Area
15th Chinese Base Force
22nd Chinese Corps
5th War Area
31st Group Army
11th Group Army
21st Group Army
3rd Group Army
3rd Chinese Cavalry Corps
83rd Chinese Corps
14th Group Army
3rd Heavy Mortar Regiment
8th Group Army
9th Chinese Base Force
Central Reserve
1st War Area
33rd Group Army
37th Group Army
20th Artillery Regiment
49th AA Regiment

--------------------------------------------------------------------------------


< Message edited by wneumann -- 12/11/2012 1:44:08 AM >

(in reply to wneumann)
Post #: 859
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/13/2012 4:33:53 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/21/43

East China Sea: US patrol sub intercepts small Jap transport TF off Shanghai. Jap TF is reported moving on an E heading, contains four ships (2 xAKL, 2 light ASW escorts). AAR follows.

--------------------------------------------------------------------------------
Sub attack near Shanghai at 94,56 (E of Shanghai)

Japanese Ships
xAKL Zuiho Maru
SC CHa-46

Allied Ships
SS Lapon

SS Lapon launches 2 torpedoes at xAKL Zuiho Maru
SC CHa-46 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------


Central Pacific: Sigint entries for 4/20 report intercepted Jap radio transmissions from Jaluit and Roi-Namur. Detected status of Jaluit shows no visible Japanese forces or activity. Unidentified Jap aircraft are shown at Roi-Namur, also ship(s) anchored in port, no other visible Jap forces or activity observed.


Convoy WP-49 Update: The convoy arrived in Tahiti this game turn. With the convoy TF in Tahiti base hex, the damaged LST was easily separated from the convoy using “Form New TF” (from the base display) without need to unload cargo or disband the convoy. Simply getting the convoy TF to a friendly base proved to be the solution (for this particular situation, anyway) – I don’t think port size mattered. The main body of Convoy WP-49 is now continuing from Tahiti to New Zealand at its normal movement speed.

The damaged LST is unloading its cargo (1750 supply) in Tahiti then will proceed independently to Pearl Harbor for shipyard repair. Tahiti base does not have facilities to repair major ship damage. While distance from Tahiti to Auckland is shorter than the trip to Pearl Harbor, the movement path to Hawaii has a much lower probability of the damaged LST being intercepted by the Japanese (most likely from a sub attack). Estimated transit time of the damaged LST from Tahiti to Pearl Harbor at 4 kts speed is approximately 40+ days. The damaged LST still appears salvageable at this time and can reach Pearl Harbor (however slowly) provided its damage levels do not increase at sea. In this PBEM I’ve already succeeded in moving a severely damaged xAP (sub torpedo hit) from Tahiti to Pearl Harbor. The xAP had heavier damage than the LST in this scenario, the xAP eventually repaired and returned to full operation.


South Pacific: US patrol sub S-35 remained in Luganville base hex, attacks and sinks small Jap ASW escort. S-35 is still spotting a Jap transport TF (5 ships) in Luganville – this may or may not be the same Jap transport TF seen here last game turn. This observation confirmed in several 4/20 Sigint coastwatcher entries (below). AAR follows.

--------------------------------------------------------------------------------
Sub attack at Luganville 120,150

Japanese Ships
PB Wa 8, Torpedo hits 1, heavy damage (sunk)
xAK Atlas Maru
xAK Taito Maru
PB Tamo Maru #6

Allied Ships
SS S-35

SS S-35 launches 2 torpedoes at PB Wa 8
S-35 bottoming out ....
PB Tamo Maru #6 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------

Daily coastwatcher entries from 4/20 Operations report follow.

Coastwatcher Report: 4 ships in port at Shortlands
Coastwatcher Report: 3 ships in port at Buna
Coastwatcher Report: 1 ship in port at Hansa Bay
Coastwatcher Report: 1 ship in port at Madang
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 1 ship in port at Manus
Coastwatcher Report: 3 ships in port at Luganville
Coastwatcher Report: 3 ships in port at Tulagi
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: E Niizaki reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher sighting: 5 Japanese ships at 120,150 near Luganville, Speed unknown
Coastwatcher sighting: 2 Japanese ships at 121,148 near Vanua Lava, Speed 12, Moving Northeast


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ship anchored in port, 2 Jap TF in harbor (+1 from last report), 103 aircraft (76 fighters, 27 bombers), 7 Jap LCU’s. The new Japanese TF spotted in Rangoon reported to have 4 ships including 3 AM.

An attempted night strategic bombing raid against Magwe oil production facilities by RAF and USAAF bombers proved to be abortive – none of the bombers reaching target. No planes damaged or lost due to operational causes. A second attempt to launch this strike is underway. Combat event log entries follow.

Mission cancelled for 7 x Liberator II from No.160 Sqn RAF !!!
Mission cancelled for 12 x B-24D Liberator from 7th BG/492nd BS !!!
5 x No.159 Sqn RAF Liberator II stray due to night
7 x No.160 Sqn RAF Liberator II stray due to night
7 x No.215 Sqn RAF Wellington Ic stray due to night
6 x 7th BG/9th BS B-24D Liberator stray due to night
5 x 7th BG/492nd BS B-24D Liberator stray due to night
7 x No.159 Sqn RAF Liberator II stray due to night


China: Japanese continue ground bombardment at Chungking. Latest AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Bombardment attack

Attacking force 282063 troops, 2799 guns, 1454 vehicles, Assault Value = 9750
Defending force 492981 troops, 2354 guns, 0 vehicles, Assault Value = 13538

Allied ground losses:
371 casualties reported
Squads: 4 destroyed, 28 disabled
Non Combat: 4 destroyed, 5 disabled
Engineers: 0 destroyed, 0 disabled
Guns lost 4 (2 destroyed, 2 disabled)

Assaulting units:
116th Division
36th Division
1st Ind.Mixed Brigade
3rd Tank Division
6th Division
40th Division
104th Division
26th Division
15th Division
39th Division
37th Division
70th Division
13th Division
22nd Division
58th Division
34th Division
8th Armored Car Co
32nd Division
59th Infantry Brigade
35th Division
15th Tank Regiment
110th Division
23rd Ind.Mixed Brigade
4th Ind.Mixed Brigade
7th Ind.Mixed Brigade
9th Ind.Mixed Brigade
41st Division
17th Division
38th Division
12th Army
North China Area Army
52nd Ind.Mtn.Gun Battalion
21st Mortar Battalion
14th Medium Field Artillery Regiment
15th Ind.Medium Field Artillery Regiment
13th Ind.Art.Mortar Battalion
4th Ind. Mountain Gun Regiment
Tonei Hvy Gun Regiment
2nd Mortar Battalion
51st Ind.Mtn.Gun Battalion
11th Ind.Art.Mortar Battalion
3rd Ind.Hvy.Art. Battalion
6th Medium Field Artillery Regiment
1st Army
1st Mortar Battalion
12th Ind.Art.Mortar Battalion
23rd Army
2nd Ind. Mountain Gun Regiment
10th Ind. Mountain Gun Regiment
11th Army
1st Hvy.Artillery Regiment
2nd Ind.Hvy.Art. Battalion
20th Ind. Mtn Gun Battalion

Defending units:
26th Chinese Corps
3rd Prov Chinese Corps
29th Chinese Corps
7th Chinese Corps
120th Red Chinese Division
56th Chinese Corps
61st Chinese Corps
63rd Chinese Corps
47th Chinese Corps
71st Chinese Corps
33rd Chinese Corps
27th Chinese Corps
43rd Chinese Corps
94th Chinese Corps
59th Chinese Corps
32nd Chinese Corps
37th Chinese Corps
67th Chinese Corps
87th Chinese Corps
2nd Chinese Cavalry Corps
100th Chinese Corps
21st Chinese Corps
1st Chinese Cavalry Corps
46th Chinese Corps
97th Chinese Corps
11th Chinese Corps
42nd Chinese Corps
92nd Chinese Corps
93rd Chinese Corps
41st Chinese Corps
15th Chinese Corps
53rd Chinese Corps
10th Chinese Corps
38th Chinese Corps
19th Chinese Corps
91st Chinese Corps
78th Chinese Corps
5th Chinese Cavalry Corps
50th Chinese Corps
75th Chinese Corps
20th Chinese Corps
1st Chinese Corps
12th Chinese Corps
74th Chinese Corps
39th Chinese Corps
31st Chinese Corps
84th Chinese Corps
115th Red Chinese Division
57th Chinese Corps
86th Chinese Corps
73rd Chinese Corps
72nd Chinese Corps
35th Chinese Corps
68th Chinese Corps
44th Chinese Corps
49th Chinese Corps
2nd Prov Chinese Corps
5th New Chinese Corps
52nd Chinese Corps
4th Chinese Corps
8th Chinese Corps
2nd Chinese Corps
1st New Chinese Corps
85th Chinese Corps
60th Chinese Corps
96th Chinese Corps
45th Chinese Corps
62nd Chinese Corps
18th Chinese Corps
3rd Chinese Corps
76th Chinese Corps
4th Chinese Cavalry Corps
98th Chinese Corps
89th Chinese Corps
9th Chinese Corps
55th Chinese Corps
14th Chinese Corps
16th Chinese Corps
81st Chinese Corps
9th Prov Chinese Corps
77th Chinese Corps
30th Chinese Corps
70th Chinese Corps
79th Chinese Corps
99th Chinese Corps
13th Chinese Corps
25th Chinese Corps
90th Chinese Corps
3rd Construction Regiment
7th Chinese Base Force
19th Group Army
41st AA Regiment
CAF HQ
6th War Area
6th Chinese Base Force
2nd Group Army
22nd Group Army
8th War Area
18th Group Army
36th Chinese Corps
23rd Group Army
1st Group Army
Red Chinese Army
11th Construction Regiment
8th Group Army
11th Chinese Base Force
12th Construction Regiment
3rd Chinese Cavalry Corps
7th Artillery Regiment
27th Group Army
1st Chinese Base Force
10th Construction Regiment
5th War Area
21st Group Army
18th Chinese Base Force
69th Chinese Corps
7th New Chinese Corps
38th Group Army
39th Group Army
65th Chinese Corps
13th Group Army
4th Chinese Base Force
32nd Group Army
13th Chinese Base Force
12th Group Army
9th Group Army
33rd Group Army
13th Construction Regiment
37th Group Army
4th War Area
14th Group Army
16th Group Army
8th Construction Regiment
2nd Chinese Base Force
25th Group Army
Central Reserve
17th Construction Regiment
15th Group Army
6th Construction Regiment
9th War Area
1st Construction Regiment
6th Group Army
20th Group Army
7th Group Army
17th Chinese Base Force
10th Chinese Base Force
20th Chinese Base Force
20th Artillery Regiment
83rd Chinese Corps
9th Chinese Base Force
22nd Chinese Corps
3rd Group Army
14th Construction Regiment
15th Chinese Base Force
7th War Area
3rd War Area
24th Group Army
31st Group Army
36th Group Army
26th Group Army
11th Group Army
16th Construction Regiment
5th Group Army
18th Artillery Regiment
Jingcha War Area
35th Group Army
China Command
1st War Area
3rd Heavy Mortar Regiment
2nd War Area
49th AA Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 860
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/14/2012 12:13:18 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/22/43

Formosa Straits: US patrol sub intercepts and torpedoes unescorted Jap xAK. SS Greenling automatically left its patrol area following the attack and now returning to base for replenishment. Another US fleet sub just entering the East China Sea (SS Balao) has been dispatched to take up SS Greenling’s previous patrol zone. AAR follows.

--------------------------------------------------------------------------------
Submarine attack near Taihoku at 89,62 (N of Taihoku)

Japanese Ships
xAK Somedono Maru, Torpedo hits 1, on fire, heavy damage (reported hull penetration from torpedo hit, not reported sunk)

Allied Ships
SS Greenling

xAK Somedono Maru is sighted by SS Greenling
SS Greenling launches 2 torpedoes

--------------------------------------------------------------------------------


North Pacific: US submarine base at Adak Is now open for business. Home ports for a number of US submarine TF’s now operating in patrol zones off the Japanese Home Islands have been reset from Pearl Harbor to Adak.

A similar measure is being done for US sub patrols operating in southern areas of the Pacific (mainly south of Truk near Suva and the Solomons) – home ports for these subs reset from Pearl Harbor to Auckland.

Intent of both the measures above is to push forward assigned home (replenishment & repair) bases for US patrol subs. In addition to the two measures above, Midway is now being prepped for use as a refueling base for US sub patrol TF’s.

A small US convoy (WA-22) arrived at Amchitka Is to begin development of this base for operational use. The convoy includes an AVD (which is remaining at Amchitka) to allow immediate deployment of PBY Catalina planes to Amchitka, also two xAKL unloading 3400 supply. Plans are underway to transfer various LCU to Amchitka to construct base facilities and other activities.


Hawaii: Main body of transport convoy WP-50A (28 ships) arrives in Pearl Harbor this game turn from San Francisco – the convoy minus one xAP heavily damaged from a ship collision occurring in the convoy on 4/19. Cargo arriving aboard the main body of WP-50A includes three LCU (146 USA Base Force, 12 USN Naval Construction Rgt, most of US 31 Infantry Rgt), 106K supply and 93K fuel. The heavily damaged xAP from the convoy is moving separately (at 4 kts speed) and still enroute to Pearl Harbor – cargo aboard this xAP includes elements of 31 Infantry Rgt (about 1/3 of its TOE strength) and 2100 supply. Estimated arrival of the heavily damaged xAP at Pearl Harbor is in 7-8 days, plans are for shipyard repair in Pearl Harbor after the ship is unloaded on arrival.

It should be noted (and omitted from my previous discussion on transport convoys) that my “standard” practice in loading LCU cargo for convoys requires dispersal of the LCU aboard at least 2-3 ships regardless of the LCU’s size. This practice ensures that (1) loss of any individual transport ship does not result in total elimination of an LCU, and (2) faster unloading of the entire LCU at the convoy’s destination.


Central Pacific: Sigint entry for 4/21 reports intercepted Jap radio transmissions from Maleolap. Detected status of Maleolap shows no visible Japanese forces or activity - current detected port size 1(1), airfield size 4(1).


Transport Convoy WP-49 Update (the epilogue): Main body of the convoy now enroute to its original destination (Auckland). Damaged LST-459 completed unloading in Tahiti and departing this game turn for Pearl Harbor.


South Pacific: US patrol sub S-35 remained in Luganville base hex, did not intercept Japanese ships leaving Luganville this game turn. No spotted Japanese ships remain in Luganville base. S-35 is now returning to base for replenishment before resuming its regular patrol activity.

Sigint entry for 4/21 reports heavy volume of intercepted Jap radio transmissions from Rabaul. Detected status of Rabaul shows (as expected) unidentified Jap aircraft based there, also ship(s) anchored in port.

Another Sigint entry for 4/21 reports intercepted Jap radio transmissions from Noumea. Detected status of Noumea shows unidentified Jap planes based there. Pillager had briefly operated G4M Betty bombers from Noumea some time ago, no report of any Jap air activity from Noumea since then (planes now detected in Noumea could be anything). Current airfield size at Noumea is 2(5), port size 5(4). No other visible Japanese forces or activity observed in Noumea.

Daily coastwatcher entries from 4/21 Operations report follow.

Coastwatcher Report: 3 ships in port at Buna
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 1 ship in port at Madang
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: xAK Akitsushima Maru reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Salamaua
Coastwatcher Report: xAK Zinzan Maru reported in port at Rabaul
Coastwatcher Report: 3 ships in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Belep Islands
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


DEI: US patrol sub reporting attack by Ki-21 Sally air patrol near Palembang (hex location 52, 91). No hits or damage.

I’ve omitted many Jap LBA air contacts and attacks on US patrol subs reported in various Combat Events and Operations report entries from my game turn posts as they haven’t been regarded individually as significant events. From combining all these incidents a possible item of interest is emerging – Pillager appears to have a significant part of his IJA 2E bomber force (outside of China) widely dispersed and flying air patrols against Allied subs. Locations where this activity has been observed (more or less continuously) include interior sea areas of the DEI, near Formosa, sea areas W and S of the Japanese Home Islands, Andaman Sea, sea areas near the Marianas. While this can’t be interpreted as Pillager taking IJA bomber forces out of use for supporting Japanese army ground operations, it can be concluded that a considerable period of preparation would be needed for Pillager to assemble IJA bomber forces in significant strength for ground support missions of Japanese land forces outside China.


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ship anchored in port, 2 Jap TF in harbor, 107 aircraft (83 fighters, 24 bombers), 7 Jap LCU’s.

RAF and USAAF bombers hit Magwe oil production facilities in a series of small night bombing raids rather than the intended coordinated attack. Detected status of Magwe shows oil production facilities at 51(250) – little if any damage inflicted by this game turn’s bombing attacks. One USAAF B-24D Liberator destroyed by flak, one Ki-44 Tojo reported destroyed (operational loss). No Allied bombers remain damaged though several were damaged in the AAR below. Given the results (added damage to Magwe oil production), the bombing strikes appear to be less than a smashing success – however, they will be continued on at least an intermittent basis. Combat Events report entries and AAR’s follow.

7 x No.160 Sqn RAF Liberator II stray due to night
5 x No.215 Sqn RAF Wellington Ic stray due to night
4 x 7th BG/9th BS B-24D Liberator stray due to night
5 x 7th BG/492nd BS B-24D Liberator stray due to night
6 x 7th BG/493rd BS B-24D Liberator stray due to night
7 x No.215 Sqn RAF Wellington Ic stray due to night
5 x 7th BG/9th BS B-24D Liberator stray due to night
7 x 7th BG/492nd BS B-24D Liberator stray due to night

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Raid spotted at 40 NM, estimated altitude 12,000 feet.
Estimated time to target is 15 minutes

Japanese aircraft
Ki-44-IIa Tojo x 6

Allied aircraft
Liberator II x 9
Wellington Ic x 12

No Japanese losses

Allied aircraft losses
Liberator II: 1 damaged

Aircraft Attacking:
12 x Wellington Ic bombing from 10000 feet
City Attack: 8 x 500 lb GP Bomb
9 x Liberator II bombing from 10000 feet
City Attack: 8 x 500 lb GP Bomb

CAP engaged:
47th I.F.Chutai with Ki-44-IIa Tojo (1 airborne, 3 on standby, 2 scrambling)
1 plane(s) intercepting now.
Group patrol altitude is 15000 , scrambling fighters to 15000.
Time for all group planes to reach interception is 48 minutes

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Raid spotted at 33 NM, estimated altitude 13,000 feet.
Estimated time to target is 11 minutes

Japanese aircraft
Ki-44-IIa Tojo x 3

Allied aircraft
Liberator II x 7

No Japanese losses
No Allied losses

Aircraft Attacking:
7 x Liberator II bombing from 10000 feet
City Attack: 8 x 500 lb GP Bomb

CAP engaged:
47th I.F.Chutai with Ki-44-IIa Tojo (3 airborne, 0 on standby, 0 scrambling)
3 plane(s) intercepting now.
Group patrol altitude is 15000
Raid is overhead

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Raid spotted at 45 NM, estimated altitude 16,000 feet.
Estimated time to target is 15 minutes

Japanese aircraft
Ki-44-IIa Tojo x 2

Allied aircraft
B-24D Liberator x 4

No Japanese losses

Allied aircraft losses
B-24D Liberator: 1 damaged

Aircraft Attacking:
4 x B-24D Liberator bombing from 10000 feet
City Attack: 10 x 500 lb GP Bomb

CAP engaged:
47th I.F.Chutai with Ki-44-IIa Tojo (2 airborne, 0 on standby, 0 scrambling)
2 plane(s) intercepting now.
Group patrol altitude is 15000
Raid is overhead

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Raid spotted at 34 NM, estimated altitude 13,000 feet.
Estimated time to target is 11 minutes

Japanese aircraft
Ki-44-IIa Tojo x 1

Allied aircraft
B-24D Liberator x 5

No Japanese losses

Allied aircraft losses
B-24D Liberator: 1 destroyed by flak

Aircraft Attacking:
4 x B-24D Liberator bombing from 10000 feet
City Attack: 10 x 500 lb GP Bomb

CAP engaged:
47th I.F.Chutai with Ki-44-IIa Tojo (1 airborne, 0 on standby, 0 scrambling)
1 plane(s) intercepting now.
Group patrol altitude is 15000
Raid is overhead

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Allied aircraft
B-24D Liberator x 6

No Allied losses

Aircraft Attacking:
6 x B-24D Liberator bombing from 10000 feet
City Attack: 10 x 500 lb GP Bomb

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Allied aircraft
Wellington Ic x 7

No Allied losses

Aircraft Attacking:
7 x Wellington Ic bombing from 10000 feet
City Attack: 8 x 500 lb GP Bomb

--------------------------------------------------------------------------------
Night Air attack on Magwe, at 57,47

Weather in hex: Overcast

Allied aircraft
B-24D Liberator x 7

No Allied losses

Aircraft Attacking:
7 x B-24D Liberator bombing from 10000 feet
City Attack: 10 x 500 lb GP Bomb

--------------------------------------------------------------------------------


China: Japanese launch deliberate ground assault on Chungking. This game turn’s ground attack completely eliminates all built-up Chinese fortifications in Chungking – it’s now likely the days of Chinese resistance in Chungking are numbered. AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Deliberate attack

Attacking force 260554 troops, 2603 guns, 1536 vehicles, Assault Value = 9904
Defending force 493643 troops, 2342 guns, 0 vehicles, Assault Value = 13614
Japanese engineers reduce fortifications to 0
Japanese adjusted assault: 3703
Allied adjusted defense: 7175

Japanese assault odds: 1 to 2 (fort level 0)

Combat modifiers
Defender: terrain(+), leaders(+), experience(-), supply(-)
Attacker:

Japanese ground losses:
24985 casualties reported
Squads: 60 destroyed, 1989 disabled
Non Combat: 5 destroyed, 195 disabled
Engineers: 4 destroyed, 185 disabled
Guns lost 85 (1 destroyed, 84 disabled)
Vehicles lost 88 (1 destroyed, 87 disabled)

Allied ground losses:
41940 casualties reported
Squads: 384 destroyed, 2378 disabled
Non Combat: 641 destroyed, 1354 disabled
Engineers: 18 destroyed, 63 disabled
Guns lost 302 (39 destroyed, 263 disabled)
Units destroyed 9

Assaulting units:
41st Division
104th Division
15th Division
40th Division
23rd Ind.Mixed Brigade
9th Ind.Mixed Brigade
37th Division
1st Ind.Mixed Brigade
26th Division
110th Division
13th Division
3rd Tank Division
8th Armored Car Co
7th Ind.Mixed Brigade
59th Infantry Brigade
4th Ind.Mixed Brigade
22nd Division
35th Division
70th Division
36th Division
15th Tank Regiment
32nd Division
39th Division
17th Division
34th Division
58th Division
116th Division
6th Division
38th Division
13th Ind.Art.Mortar Battalion
2nd Ind. Mountain Gun Regiment
15th Ind.Medium Field Artillery Regiment
Tonei Hvy Gun Regiment
11th Ind.Art.Mortar Battalion
12th Army
1st Mortar Battalion
12th Ind.Art.Mortar Battalion
3rd Ind.Hvy.Art. Battalion
2nd Mortar Battalion
6th Medium Field Artillery Regiment
14th Medium Field Artillery Regiment
1st Army
10th Ind. Mountain Gun Regiment
21st Mortar Battalion
52nd Ind.Mtn.Gun Battalion
4th Ind. Mountain Gun Regiment
11th Army
51st Ind.Mtn.Gun Battalion
North China Area Army
23rd Army
2nd Ind.Hvy.Art. Battalion
1st Hvy.Artillery Regiment
20th Ind. Mtn Gun Battalion

Defending units:
70th Chinese Corps
53rd Chinese Corps
32nd Chinese Corps
1st Chinese Corps
91st Chinese Corps
52nd Chinese Corps
2nd Prov Chinese Corps
11th Chinese Corps
45th Chinese Corps
68th Chinese Corps
33rd Chinese Corps
27th Chinese Corps
37th Chinese Corps
15th Chinese Corps
90th Chinese Corps
49th Chinese Corps
56th Chinese Corps
26th Chinese Corps
3rd Chinese Corps
14th Chinese Corps
99th Chinese Corps
63rd Chinese Corps
72nd Chinese Corps
44th Chinese Corps
41st Chinese Corps
1st Chinese Cavalry Corps
96th Chinese Corps
31st Chinese Corps
85th Chinese Corps
60th Chinese Corps
2nd Chinese Corps
57th Chinese Corps
71st Chinese Corps
19th Chinese Corps
98th Chinese Corps
89th Chinese Corps
35th Chinese Corps
79th Chinese Corps
9th Prov Chinese Corps
46th Chinese Corps
5th New Chinese Corps
21st Chinese Corps
78th Chinese Corps
7th Chinese Corps
75th Chinese Corps
47th Chinese Corps
87th Chinese Corps
25th Chinese Corps
43rd Chinese Corps
67th Chinese Corps
30th Chinese Corps
59th Chinese Corps
86th Chinese Corps
9th Chinese Corps
50th Chinese Corps
97th Chinese Corps
115th Red Chinese Division
38th Chinese Corps
1st New Chinese Corps
8th Chinese Corps
62nd Chinese Corps
100th Chinese Corps
20th Chinese Corps
84th Chinese Corps
2nd Chinese Cavalry Corps
4th Chinese Cavalry Corps
10th Chinese Corps
29th Chinese Corps
39th Chinese Corps
5th Chinese Cavalry Corps
94th Chinese Corps
61st Chinese Corps
42nd Chinese Corps
55th Chinese Corps
18th Chinese Corps
92nd Chinese Corps
4th Chinese Corps
77th Chinese Corps
12th Chinese Corps
16th Chinese Corps
13th Chinese Corps
76th Chinese Corps
73rd Chinese Corps
74th Chinese Corps
93rd Chinese Corps
120th Red Chinese Division
81st Chinese Corps
3rd Prov Chinese Corps
22nd Chinese Corps
37th Group Army
7th New Chinese Corps
14th Construction Regiment
1st Chinese Base Force
5th War Area
32nd Group Army
China Command
1st War Area
22nd Group Army
8th Construction Regiment
3rd War Area
9th War Area
8th War Area
10th Construction Regiment
7th War Area
9th Group Army
16th Group Army
19th Group Army
3rd Chinese Cavalry Corps
31st Group Army
36th Group Army
13th Chinese Base Force
13th Construction Regiment
18th Artillery Regiment
25th Group Army
23rd Group Army
8th Group Army
7th Artillery Regiment
15th Chinese Base Force
14th Group Army
9th Chinese Base Force
10th Chinese Base Force
5th Group Army
15th Group Army
1st Group Army
Central Reserve
6th Construction Regiment
3rd Construction Regiment
65th Chinese Corps
2nd War Area
12th Construction Regiment
38th Group Army
4th War Area
2nd Chinese Base Force
6th Group Army
2nd Group Army
1st Construction Regiment
6th War Area
11th Construction Regiment
16th Construction Regiment
7th Group Army
83rd Chinese Corps
21st Group Army
13th Group Army
3rd Heavy Mortar Regiment
7th Chinese Base Force
36th Chinese Corps
35th Group Army
4th Chinese Base Force
12th Group Army
18th Chinese Base Force
69th Chinese Corps
24th Group Army
CAF HQ
27th Group Army
33rd Group Army
Jingcha War Area
17th Construction Regiment
41st AA Regiment
6th Chinese Base Force
20th Artillery Regiment
11th Group Army
Red Chinese Army
11th Chinese Base Force
20th Group Army
3rd Group Army
20th Chinese Base Force
17th Chinese Base Force
18th Group Army
26th Group Army
39th Group Army
49th AA Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 861
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/15/2012 12:59:52 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/23/43

Japanese Home Islands: US patrol sub reports contact with small Jap transport TF. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Chichi-jima at 115,72 (NE of Chichi jima)

Japanese Ships
xAK Matsue Maru
E Fuyo

Allied Ships
SS Blackfish

SS Blackfish is sighted by escort
E Fuyo fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------


Central Pacific: Sigint entry for 4/22 reports intercepted Jap radio transmissions from Ponape. Detected status of Ponape shows no visible Japanese forces or activity - current detected port size 1(1), airfield size 2(3). Only one identified Jap LCU known to be located on Ponape from available intelligence data – this unit a static LCU (Ponape Naval Fort). Ponape has been a rather quiet location, possibly additional unseen Jap LCU or other activity there.

Heavy volume of intercepted Jap radio transmissions from Truk reported in another 4/22 Sigint entry. Detected status of Truk shows the expected Jap aircraft based there and ship(s) in port. No other visible Japanese forces or activity.


South Pacific: A 4/22 Sigint entry reports elements of Jap 10th Infantry Division are now located at Lunga. This information provides some confirmation to an earlier report that Pillager may have been moving a detachment of 10 Division to Lunga. What’s interesting is it does not appear Pillager broke down 10th Division into A/B/C sub-units to do this.

Daily coastwatcher entries from 4/22 Operations report follow.

Coastwatcher Report: 1 ship in port at Lae
Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Port Moresby
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 5 ships in port at Noumea
Coastwatcher Report: 3 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Ndeni
Coastwatcher Report: 1 ship in port at Madang
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher Report: 1 ship in port at Hoorn Islands
Coastwatcher sighting: 2 Japanese ships at 114,138 near Lunga, Speed unknown


SW Pacific: Sigint entry for 4/22 reporting intercepted radio transmissions from an unidentified Jap submarine at hex location 100, 139 south of Milne Bay. No available information on the sub’s movement, though it’s likely the sub is intended for patrol off the Australian east coast. Activity of this Jap sub should represent little problem as it will probably see and find nothing – and in any event the sub will be attacked if it approaches close enough to an Allied base with ASW resources to go after it.


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, 2 Jap TF in harbor, 107 aircraft (85 fighters, 22 bombers), 7 Jap LCU’s.


Aden: Four Dutch AF patrol squadrons have fully completed pilot training and now transferred to US Pacific Ocean Areas command. This group of Dutch squadrons will be employed in the Pacific theatres to reinforce Allied air naval search/ASW forces.


China: No reported ground combat at Chungking this game turn.


< Message edited by wneumann -- 12/15/2012 1:01:33 AM >

(in reply to wneumann)
Post #: 862
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/18/2012 12:43:35 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/24/43

Very quiet day at the office, lots of things quietly plodding along behind the scenes...

South Pacific: Daily coastwatcher entries from 4/23 Operations report follow.

Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 3 ships in port at Milne Bay
Coastwatcher Report: 3 ships reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher Report: 1 ship in port at Hoorn Islands
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: xAP Brazil Maru reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, 1 Jap TF in harbor (-1 from last report), 109 aircraft (81 fighters, 28 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking this game turn.

(in reply to wneumann)
Post #: 863
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/19/2012 3:28:15 PM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/25/43

Central Pacific: Sigint entry for 4/24 reports heavy volume of intercepted Jap radio transmissions from Kwajalein. Detected status of Kwajalein shows the expected Jap planes base there, also ship(s) in port – no other visible Japanese forces or activity observed.

A second 4/24 Sigint entry reports intercepted Jap radio transmissions from Majuro. Detected status of Majuro shows no visible Japanese forces or activity.


South Pacific: Daily coastwatcher entries from 4/24 Operations report follow.

Coastwatcher Report: 3 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Thousand Ships Bay
Coastwatcher Report: 1 ship in port at Tulagi
Coastwatcher Report: 1 ship in port at Buna
Coastwatcher Report: 2 ships reported in port at Rabaul
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher Report: 3 ships in port at Tulagi
Coastwatcher Report: 1 ship in port at Buna
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 4 ships reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Belep Islands
Coastwatcher Report: 4 ships in port at Luganville
Coastwatcher sighting: 2 Japanese ships at 114,138 near Lunga, Speed unknown


DEI: US patrol sub in action against Jap surface ASW near Palembang. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Muntok at 49,89 (NW of Palembang)

Japanese Ships
SC Ch 12
SC CHa-18

Allied Ships
SS Perch, hits 3 (system damage 12, float 6, returning to Australia for repair)

SS Perch is sighted by escort
Perch bottoming out ....
SC CHa-18 attacking submerged sub ....
Escort abandons search for sub

--------------------------------------------------------------------------------


Andaman Sea: Dutch patrol sub reporting contact with Jap surface ASW. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Victoria Point at 48,65 (W of Victoria Point)

Japanese Ships
DD Mutsuki
E Hachijo
DD Isonami

Allied Ships
SS KXVIII

SS KXVIII is located by DD Mutsuki
KXVIII diving deep ....
DD Mutsuki fails to find sub, continues to search...
DD Isonami fails to find sub and abandons search
DD Mutsuki fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, 1 Jap TF in harbor (-1 from last report), 122 aircraft (91 fighters, 31 bombers), 7 Jap LCU’s.


China: No reported ground combat at Chungking this game turn.

(in reply to wneumann)
Post #: 864
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/21/2012 3:57:37 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/26/43

Formosa Straits: US patrol sub in action against Jap surface ASW. AAR follows.

--------------------------------------------------------------------------------
Sub attack near Taihoku at 87,62 (adjacent hex NW of Taihoku)

Japanese Ships
PB Chohakusan Maru, Torpedo hits 1, on fire, heavy damage (sunk)
PB Rokko Maru #2

Allied Ships
SS Balao

SS Balao launches 2 torpedoes at PB Chohakusan Maru
Balao diving deep ....
PB Rokko Maru #2 fails to find sub, continues to search...
Escort abandons search for sub

--------------------------------------------------------------------------------


Central Pacific: Sigint entry for 4/25 reports intercepted Jap radio transmissions from Gardner Is. Detected status of Gardner Is shows no visible Japanese forces or activity.


South Pacific: Unidentified Jap submarine spotted by naval air search off Suva.

Daily coastwatcher entries from 4/25 Operations report follow.

Coastwatcher Report: 3 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Madang
Coastwatcher Report: 1 ship in port at Salamaua
Coastwatcher Report: xAK Yamafuku Maru reported in port at Rabaul
Coastwatcher Report: 1 ship in port at Luganville
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Tulagi
Coastwatcher Report: 1 ship in port at Buna
Coastwatcher Report: 1 ship in port at Hansa Bay
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: xAK Ryuko Maru reported in port at Rabaul
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Andaman Sea: Several Allied patrol subs reporting contacts with Jap air patrols; planes include K-21 Sally, Ki-30 Ann, Ki-49 Helen. Jap air activity in the Andaman Sea has been ongoing for the last several game turns. No hits or damage reported.


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, no Jap TF in harbor (-1 from last report), 113 aircraft (85 fighters, 28 bombers), 7 Jap LCU’s.


China: Japanese ground bombardment attack on Chungking. AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Bombardment attack

Attacking force 276959 troops, 2799 guns, 1456 vehicles, Assault Value = 9221
Defending force 469229 troops, 2256 guns, 0 vehicles, Assault Value = 11869

Japanese ground losses:
12 casualties reported
Squads: 0 destroyed, 0 disabled
Non Combat: 0 destroyed, 0 disabled
Engineers: 0 destroyed, 1 disabled

Allied ground losses:
819 casualties reported
Squads: 24 destroyed, 73 disabled
Non Combat: 1 destroyed, 8 disabled
Engineers: 3 destroyed, 0 disabled
Guns lost 4 (1 destroyed, 3 disabled)

Assaulting units:
9th Ind.Mixed Brigade
39th Division
116th Division
1st Ind.Mixed Brigade
4th Ind.Mixed Brigade
13th Division
8th Armored Car Co
7th Ind.Mixed Brigade
110th Division
6th Division
59th Infantry Brigade
26th Division
58th Division
40th Division
37th Division
15th Division
32nd Division
22nd Division
17th Division
34th Division
15th Tank Regiment
41st Division
3rd Tank Division
104th Division
36th Division
23rd Ind.Mixed Brigade
35th Division
70th Division
38th Division
Tonei Hvy Gun Regiment
12th Army
2nd Ind. Mountain Gun Regiment
14th Medium Field Artillery Regiment
6th Medium Field Artillery Regiment
13th Ind.Art.Mortar Battalion
15th Ind.Medium Field Artillery Regiment
11th Army
12th Ind.Art.Mortar Battalion
10th Ind. Mountain Gun Regiment
1st Hvy.Artillery Regiment
11th Ind.Art.Mortar Battalion
2nd Ind.Hvy.Art. Battalion
2nd Mortar Battalion
21st Mortar Battalion
23rd Army
4th Ind. Mountain Gun Regiment
3rd Ind.Hvy.Art. Battalion
1st Mortar Battalion
52nd Ind.Mtn.Gun Battalion
North China Area Army
51st Ind.Mtn.Gun Battalion
1st Army
20th Ind. Mtn Gun Battalion

Defending units:
100th Chinese Corps
87th Chinese Corps
21st Chinese Corps
32nd Chinese Corps
3rd Chinese Corps
55th Chinese Corps
11th Chinese Corps
92nd Chinese Corps
18th Chinese Corps
71st Chinese Corps
43rd Chinese Corps
49th Chinese Corps
45th Chinese Corps
29th Chinese Corps
38th Chinese Corps
97th Chinese Corps
52nd Chinese Corps
85th Chinese Corps
1st New Chinese Corps
99th Chinese Corps
61st Chinese Corps
42nd Chinese Corps
91st Chinese Corps
84th Chinese Corps
23rd Chinese Corps
26th Chinese Corps
63rd Chinese Corps
98th Chinese Corps
12th Chinese Corps
46th Chinese Corps
67th Chinese Corps
31st Chinese Corps
27th Chinese Corps
8th Chinese Corps
10th Chinese Corps
35th Chinese Corps
56th Chinese Corps
9th Prov Chinese Corps
13th Chinese Corps
90th Chinese Corps
37th Chinese Corps
62nd Chinese Corps
36th Chinese Corps
2nd Chinese Corps
4th Chinese Corps
7th Chinese Corps
16th Chinese Corps
19th Chinese Corps
59th Chinese Corps
74th Chinese Corps
5th New Chinese Corps
14th Chinese Corps
4th Chinese Cavalry Corps
76th Chinese Corps
41st Chinese Corps
30th Chinese Corps
2nd Chinese Cavalry Corps
1st Chinese Cavalry Corps
2nd Prov Chinese Corps
73rd Chinese Corps
72nd Chinese Corps
20th Chinese Corps
78th Chinese Corps
68th Chinese Corps
25th Chinese Corps
47th Chinese Corps
120th Red Chinese Division
77th Chinese Corps
53rd Chinese Corps
57th Chinese Corps
9th Chinese Corps
89th Chinese Corps
60th Chinese Corps
5th Chinese Cavalry Corps
79th Chinese Corps
96th Chinese Corps
86th Chinese Corps
44th Chinese Corps
50th Chinese Corps
94th Chinese Corps
1st Chinese Corps
33rd Chinese Corps
81st Chinese Corps
75th Chinese Corps
93rd Chinese Corps
3rd Prov Chinese Corps
18th Chinese Base Force
7th New Chinese Corps
3rd Construction Regiment
115th Red Chinese Division
22nd Chinese Corps
39th Chinese Corps
1st War Area
20th Chinese Base Force
6th War Area
China Command
8th War Area
32nd Group Army
3rd Chinese Cavalry Corps
14th Construction Regiment
12th Group Army
7th Chinese Base Force
13th Chinese Base Force
16th Construction Regiment
11th Chinese Base Force
17th Construction Regiment
15th Chinese Base Force
37th Group Army
6th Chinese Base Force
33rd Group Army
15th Chinese Corps
CAF HQ
25th Group Army
Central Reserve
12th Construction Regiment
4th War Area
7th Artillery Regiment
65th Chinese Corps
Jingcha War Area
27th Group Army
20th Artillery Regiment
17th Chinese Base Force
13th Construction Regiment
4th Chinese Base Force
31st Group Army
24th Group Army
11th Construction Regiment
5th Group Army
7th War Area
41st AA Regiment
18th Group Army
21st Group Army
19th Group Army
3rd Heavy Mortar Regiment
14th Group Army
20th Group Army
1st Chinese Base Force
Red Chinese Army
15th Group Army
6th Group Army
18th Artillery Regiment
9th Group Army
1st Group Army
6th Construction Regiment
3rd Group Army
5th War Area
35th Group Army
2nd War Area
13th Group Army
2nd Group Army
9th War Area
8th Construction Regiment
2nd Chinese Base Force
9th Chinese Base Force
22nd Group Army
36th Group Army
26th Group Army
3rd War Area
10th Chinese Base Force
38th Group Army
10th Construction Regiment
23rd Group Army
49th AA Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 865
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/22/2012 12:45:19 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/27/43

Central Pacific: Sigint entry for 4/26 reports intercepted Jap radio transmissions from Funafuti. Detected status of Funafuti shows unidentified Jap aircraft based there, no other visible Japanese forces or activity.


South Pacific: Daily coastwatcher entries from 4/26 Operations report follow.

Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 4 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Buna
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 5 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher sighting: 1 Japanese ship at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher Report: 1 ship in port at Lunga
Coastwatcher Report: 3 ships in port at Shortlands
Coastwatcher Report: 1 ship in port at Thousand Ships Bay
Coastwatcher Report: 1 ship in port at Lae
Coastwatcher Report: 1 ship in port at Woodlark Island
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher sighting: 2 Japanese ships at 106,125 near Rabaul, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown


Andaman Sea: US patrol sub in contact with Jap transport TF off Phuket. AAR follows.

--------------------------------------------------------------------------------
ASW attack near Phuket at 47,69 (adjacent hex SW of Phuket)

Japanese Ships
PB Rikusen Maru
PB Kyo Maru #5
AK Teiyo Maru
AK Tatutaki Maru
AK Tamagawa Maru
AK Sinko Maru
xAK Hukuzyu Maru
xAK Hokutai Maru
PB Yachiyo Maru
PB Tama Maru #3
PB Shintohoku Maru

Allied Ships
SS Peto

SS Peto is sighted by escort
PB Yachiyo Maru fails to find sub, continues to search...
PB Tama Maru #3 fails to find sub and abandons search
PB Shintohoku Maru fails to find sub and abandons search
Escort abandons search for sub

--------------------------------------------------------------------------------


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, 1 Jap TF in harbor (+1 from last report), 101 aircraft (74 fighters, 27 bombers), 7 Jap LCU’s.


Indian Ocean: Unidentified Jap submarine detected off Male island (Maldives). It’s possible Pillager has this sub out on a recon mission to detect Allied activity at island bases in the Indian Ocean – if so, a visit from this sub can be expected at Addu and Diego Garcia. The Jap sub otherwise presents no problem to Allied ship movements in this area of the Indian Ocean.


China: Japanese continue ground bombardment attack on Chungking. Latest AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Bombardment attack

Attacking force 279228 troops, 2799 guns, 1457 vehicles, Assault Value = 9461
Defending force 469756 troops, 2247 guns, 0 vehicles, Assault Value = 11927

Allied ground losses:
425 casualties reported
Squads: 14 destroyed, 30 disabled
Non Combat: 1 destroyed, 3 disabled
Engineers: 0 destroyed, 1 disabled
Guns lost 5 (1 destroyed, 4 disabled)

Assaulting units:
37th Division
8th Armored Car Co
7th Ind.Mixed Brigade
15th Tank Regiment
1st Ind.Mixed Brigade
116th Division
26th Division
59th Infantry Brigade
104th Division
35th Division
22nd Division
41st Division
6th Division
32nd Division
58th Division
4th Ind.Mixed Brigade
17th Division
15th Division
34th Division
39th Division
110th Division
13th Division
9th Ind.Mixed Brigade
70th Division
23rd Ind.Mixed Brigade
36th Division
3rd Tank Division
40th Division
38th Division
6th Medium Field Artillery Regiment
4th Ind. Mountain Gun Regiment
52nd Ind.Mtn.Gun Battalion
1st Hvy.Artillery Regiment
10th Ind. Mountain Gun Regiment
51st Ind.Mtn.Gun Battalion
15th Ind.Medium Field Artillery Regiment
2nd Ind. Mountain Gun Regiment
12th Army
12th Ind.Art.Mortar Battalion
2nd Mortar Battalion
Tonei Hvy Gun Regiment
13th Ind.Art.Mortar Battalion
3rd Ind.Hvy.Art. Battalion
23rd Army
11th Ind.Art.Mortar Battalion
1st Mortar Battalion
1st Army
14th Medium Field Artillery Regiment
2nd Ind.Hvy.Art. Battalion
11th Army
North China Area Army
21st Mortar Battalion
20th Ind. Mtn Gun Battalion

Defending units:
7th Chinese Corps
74th Chinese Corps
75th Chinese Corps
59th Chinese Corps
4th Chinese Corps
2nd Chinese Cavalry Corps
96th Chinese Corps
3rd Chinese Corps
99th Chinese Corps
93rd Chinese Corps
19th Chinese Corps
53rd Chinese Corps
13th Chinese Corps
78th Chinese Corps
36th Chinese Corps
49th Chinese Corps
26th Chinese Corps
23rd Chinese Corps
62nd Chinese Corps
45th Chinese Corps
30th Chinese Corps
63rd Chinese Corps
12th Chinese Corps
1st Chinese Corps
21st Chinese Corps
44th Chinese Corps
57th Chinese Corps
16th Chinese Corps
4th Chinese Cavalry Corps
20th Chinese Corps
14th Chinese Corps
27th Chinese Corps
85th Chinese Corps
2nd Prov Chinese Corps
10th Chinese Corps
46th Chinese Corps
86th Chinese Corps
67th Chinese Corps
33rd Chinese Corps
98th Chinese Corps
35th Chinese Corps
68th Chinese Corps
97th Chinese Corps
81st Chinese Corps
71st Chinese Corps
84th Chinese Corps
50th Chinese Corps
25th Chinese Corps
76th Chinese Corps
18th Chinese Corps
52nd Chinese Corps
29th Chinese Corps
9th Prov Chinese Corps
9th Chinese Corps
100th Chinese Corps
56th Chinese Corps
5th New Chinese Corps
72nd Chinese Corps
77th Chinese Corps
37th Chinese Corps
90th Chinese Corps
89th Chinese Corps
47th Chinese Corps
79th Chinese Corps
5th Chinese Cavalry Corps
94th Chinese Corps
87th Chinese Corps
41st Chinese Corps
8th Chinese Corps
60th Chinese Corps
92nd Chinese Corps
91st Chinese Corps
1st Chinese Cavalry Corps
32nd Chinese Corps
11th Chinese Corps
61st Chinese Corps
31st Chinese Corps
2nd Chinese Corps
120th Red Chinese Division
73rd Chinese Corps
43rd Chinese Corps
55th Chinese Corps
42nd Chinese Corps
3rd Prov Chinese Corps
38th Chinese Corps
1st New Chinese Corps
2nd Construction Regiment
5th War Area
37th Group Army
17th Construction Regiment
15th Chinese Corps
31st Group Army
3rd Chinese Cavalry Corps
8th War Area
33rd Group Army
7th New Chinese Corps
26th Group Army
CAF HQ
China Command
7th War Area
14th Construction Regiment
12th Group Army
1st Group Army
21st Group Army
6th War Area
8th Construction Regiment
11th Chinese Base Force
38th Group Army
2nd Group Army
6th Chinese Base Force
6th Group Army
27th Group Army
16th Construction Regiment
65th Chinese Corps
Jingcha War Area
19th Group Army
18th Group Army
3rd War Area
3rd Group Army
15th Group Army
17th Chinese Base Force
9th Chinese Base Force
24th Group Army
1st Chinese Base Force
115th Red Chinese Division
18th Artillery Regiment
35th Group Army
10th Construction Regiment
20th Chinese Base Force
22nd Chinese Corps
15th Chinese Base Force
4th Chinese Base Force
4th War Area
18th Chinese Base Force
22nd Group Army
9th War Area
9th Group Army
10th Chinese Base Force
6th Construction Regiment
13th Construction Regiment
Red Chinese Army
20th Group Army
11th Construction Regiment
7th Chinese Base Force
13th Group Army
Central Reserve
41st AA Regiment
12th Construction Regiment
14th Group Army
2nd Chinese Base Force
5th Group Army
39th Chinese Corps
13th Chinese Base Force
1st War Area
3rd Construction Regiment
2nd War Area
20th Artillery Regiment
25th Group Army
23rd Group Army
36th Group Army
32nd Group Army
7th Artillery Regiment
3rd Heavy Mortar Regiment
49th AA Regiment

--------------------------------------------------------------------------------


< Message edited by wneumann -- 12/22/2012 12:47:35 AM >

(in reply to wneumann)
Post #: 866
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/24/2012 3:45:43 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/28/43

Hawaii: Damaged xAP detached from transport convoy WP-50A after ship collision on 4/19 arrives this game turn in Pearl Harbor with its cargo (elements of US 31 Infantry Rgt plus 2100 supply) intact. The xAP is now unloading and will remain at Pearl Harbor for shipyard repair.


South Pacific: Daily coastwatcher entries from 4/27 Operations report follow.

Coastwatcher Report: 4 ships in port at Lunga
Coastwatcher Report: 1 ship in port at Shortlands
Coastwatcher Report: 1 ship in port at Port Moresby
Coastwatcher Report: 1 ship in port at Gasmata
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 3 ships in port at Milne Bay
Coastwatcher Report: harbor at Rabaul is reported empty
Coastwatcher Report: 1 ship in port at Kavieng
Coastwatcher Report: 1 ship in port at Manus
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher Report: 4 ships in port at Luganville


Australia: Transport convoy MX-15 (14 tankers) arrives from Middle East via Capetown with 116K fuel cargo.


Andaman Sea: US patrol sub off Phuket remains in contact with the Jap transport TF it spotted last game turn, also in action with a separate Jap surface ASW TF. SS Peto followed the Jap transport TF moving northward toward Rangoon since last game turn. AAR’s follow.

--------------------------------------------------------------------------------
ASW attack near Phuket at 47,67 (NW of Phuket)

Japanese Ships
PB Rikusen Maru
PB Kyo Maru #5
AK Teiyo Maru
AK Tatutaki Maru
AK Tamagawa Maru
AK Sinko Maru
xAK Hukuzyu Maru
xAK Hokutai Maru
PB Yachiyo Maru
PB Tama Maru #3
PB Shintohoku Maru

Allied Ships
SS Peto

SS Peto is sighted by escort
Peto diving deep ....
PB Yachiyo Maru fails to find sub, continues to search...
PB Tama Maru #3 fails to find sub and abandons search
PB Shintohoku Maru fails to find sub and abandons search
Escort abandons search for sub

--------------------------------------------------------------------------------
ASW attack near Phuket at 47,67

Japanese Ships
DD Mutsuki
E Hachijo
DD Isonami

Allied Ships
SS Peto

SS Peto launches 2 torpedoes at DD Mutsuki
DD Mutsuki fails to find sub and abandons search
DD Isonami attacking submerged sub ....
Escort abandons search for sub

--------------------------------------------------------------------------------


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, 1 Jap TF in harbor, 99 aircraft (80 fighters, 19 bombers), 7 Jap LCU’s.


China: Japanese ground bombardment attack on Chungking continues. AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Bombardment attack

Attacking force 281148 troops, 2799 guns, 1457 vehicles, Assault Value = 9652
Defending force 470728 troops, 2243 guns, 0 vehicles, Assault Value = 12003

Allied ground losses:
355 casualties reported
Squads: 2 destroyed, 22 disabled
Non Combat: 1 destroyed, 12 disabled
Engineers: 0 destroyed, 0 disabled

Assaulting units:
36th Division
59th Infantry Brigade
110th Division
15th Tank Regiment
39th Division
9th Ind.Mixed Brigade
4th Ind.Mixed Brigade
35th Division
58th Division
1st Ind.Mixed Brigade
41st Division
116th Division
26th Division
6th Division
8th Armored Car Co
3rd Tank Division
7th Ind.Mixed Brigade
32nd Division
22nd Division
37th Division
17th Division
104th Division
70th Division
15th Division
40th Division
34th Division
13th Division
23rd Ind.Mixed Brigade
38th Division
11th Army
51st Ind.Mtn.Gun Battalion
2nd Ind. Mountain Gun Regiment
2nd Mortar Battalion
4th Ind. Mountain Gun Regiment
11th Ind.Art.Mortar Battalion
2nd Ind.Hvy.Art. Battalion
1st Hvy.Artillery Regiment
12th Ind.Art.Mortar Battalion
12th Army
21st Mortar Battalion
Tonei Hvy Gun Regiment
23rd Army
13th Ind.Art.Mortar Battalion
52nd Ind.Mtn.Gun Battalion
1st Mortar Battalion
1st Army
3rd Ind.Hvy.Art. Battalion
15th Ind.Medium Field Artillery Regiment
6th Medium Field Artillery Regiment
14th Medium Field Artillery Regiment
North China Area Army
10th Ind. Mountain Gun Regiment
20th Ind. Mtn Gun Battalion

Defending units:
81st Chinese Corps
3rd Chinese Corps
120th Red Chinese Division
8th Chinese Corps
35th Chinese Corps
4th Chinese Corps
32nd Chinese Corps
23rd Chinese Corps
27th Chinese Corps
59th Chinese Corps
11th Chinese Corps
5th New Chinese Corps
78th Chinese Corps
56th Chinese Corps
45th Chinese Corps
90th Chinese Corps
2nd Chinese Corps
68th Chinese Corps
75th Chinese Corps
85th Chinese Corps
2nd Prov Chinese Corps
93rd Chinese Corps
86th Chinese Corps
20th Chinese Corps
53rd Chinese Corps
92nd Chinese Corps
79th Chinese Corps
55th Chinese Corps
49th Chinese Corps
18th Chinese Corps
37th Chinese Corps
7th Chinese Corps
77th Chinese Corps
71st Chinese Corps
1st Chinese Corps
1st New Chinese Corps
44th Chinese Corps
5th Chinese Cavalry Corps
43rd Chinese Corps
57th Chinese Corps
100th Chinese Corps
47th Chinese Corps
36th Chinese Corps
21st Chinese Corps
2nd Chinese Cavalry Corps
61st Chinese Corps
10th Chinese Corps
4th Chinese Cavalry Corps
46th Chinese Corps
98th Chinese Corps
42nd Chinese Corps
29th Chinese Corps
26th Chinese Corps
50th Chinese Corps
87th Chinese Corps
52nd Chinese Corps
9th Prov Chinese Corps
60th Chinese Corps
67th Chinese Corps
25th Chinese Corps
3rd Prov Chinese Corps
96th Chinese Corps
19th Chinese Corps
14th Chinese Corps
63rd Chinese Corps
12th Chinese Corps
97th Chinese Corps
13th Chinese Corps
33rd Chinese Corps
99th Chinese Corps
72nd Chinese Corps
41st Chinese Corps
74th Chinese Corps
91st Chinese Corps
76th Chinese Corps
38th Chinese Corps
16th Chinese Corps
30th Chinese Corps
31st Chinese Corps
94th Chinese Corps
73rd Chinese Corps
89th Chinese Corps
1st Chinese Cavalry Corps
84th Chinese Corps
62nd Chinese Corps
9th Chinese Corps
2nd Construction Regiment
32nd Group Army
15th Chinese Base Force
6th Chinese Base Force
33rd Group Army
37th Group Army
9th Group Army
18th Artillery Regiment
13th Group Army
4th Chinese Base Force
27th Group Army
41st AA Regiment
2nd Chinese Base Force
17th Construction Regiment
7th Chinese Base Force
1st War Area
8th Construction Regiment
38th Group Army
26th Group Army
31st Group Army
12th Group Army
18th Group Army
8th War Area
18th Chinese Base Force
19th Group Army
14th Construction Regiment
2nd Group Army
10th Construction Regiment
14th Group Army
7th New Chinese Corps
20th Group Army
9th War Area
2nd War Area
65th Chinese Corps
20th Artillery Regiment
Red Chinese Army
3rd Chinese Cavalry Corps
China Command
10th Chinese Base Force
6th Construction Regiment
11th Construction Regiment
3rd Construction Regiment
13th Construction Regiment
20th Chinese Base Force
4th War Area
22nd Group Army
35th Group Army
4th Heavy Mortar Regiment
5th Group Army
6th War Area
36th Group Army
11th Chinese Base Force
CAF HQ
39th Chinese Corps
9th Chinese Base Force
Central Reserve
1st Group Army
3rd Group Army
7th War Area
6th Group Army
24th Group Army
12th Construction Regiment
13th Chinese Base Force
3rd Heavy Mortar Regiment
15th Group Army
15th Chinese Corps
3rd War Area
4th Group Army
Jingcha War Area
17th Chinese Base Force
21st Group Army
16th Construction Regiment
5th War Area
7th Artillery Regiment
115th Red Chinese Division
25th Group Army
22nd Chinese Corps
1st Chinese Base Force
23rd Group Army
49th AA Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 867
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/24/2012 4:20:47 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
The Big Picture #16 – Allied Buildup and Offensive Preparations (Overview)

This post is first in a series describing the current state of Allied buildup and preparations for offensive operations along with plans and projections being looked at. This post will examine matters from a overall view, later posts in the series examine specific theatres.

When does the Allied offensive begin? Current projection is mid to late-1943, exact timing determined by progress with various items and requirements described in later sections of this post.


China as a consideration: What is starting to become an important consideration in timing Allied offensive operations is the situation in China. With the fall of Chungking, Pillager will acquire a substantial pool of available Japanese combat LCU. Many if not most of these Japanese LCU will likely have high experience levels from their combat in China and expected to considerably reinforce Jap ground defenses wherever Pillager chooses to employ them – this a certainty once these units are no longer needed in China. This is more a matter of when, not if. In terms of time, there is a limited “window of best opportunity” where conditions will be most favorable for launching an Allied offensive. This “window of opportunity” disappears once the battle for Chungking ends, the Jap LCU’s involved at Chungking are fully recovered from combat operations in China, and Pillager re-deploys the newly available LCU’s from China to other theatre(s) where he intends to use them.

Steps and requirements for launching Allied offensive operations: The following is a basic outline of steps and requirements – those already or mostly completed, now underway, and yet to be done. Each of these are covered in more detail below and will also be covered in later discussions of specific theatres.

• Complete port and airfield construction activity at bases from which Allied offensive operations will be launched and/or supported.
• Complete deployment and arrival of LCU and air units to forward theatre areas from the mainland US.
• Continue expansion of supply and fuel stockpiles within each forward theatre, particularly stockpiles reserved for support of Allied offensive operations.
• Complete LCU preparations for specific objectives as objectives are identified and forces being used to attack each objective are determined.
• Complete deployment and arrival of specialized and general-purpose transport ships for amphibious landing ops into forward theatre areas where amphibious assaults are being planned.
• Complete deployment and arrival into forward theatre areas of auxiliary, mine warfare and surface ASW ships needed to directly support amphibious assaults and their follow-up.
• Deploy naval forces (carrier, surface combat, bombardment) into forward theatre areas.


Base Construction activities (ports and airfields): As of 4/43, construction to expand port and airfield facilities is now largely completed at forward bases from which Allied amphibious and other offensive operations are expected to be launched and/or supported. Construction at these bases was done to expand port and/or airfield facilities to their maximum allowable sizes. Construction activity in forward theatres continues to build additional port and airfield facilities beyond what had been initially required.

Deployment and arrival of LCU and air units from the mainland US into forward theatres: At this time, most LCU and air forces starting the game or entering as reinforcements in the mainland US have already shipped out of the US and now in forward theatre areas. This activity has been ongoing since 12/41. LCU’s and air units have been dispatched continuously and as quickly as possible from the US – this either done immediately or as soon as (1) the LCU or air unit is at full TOE strength, (2) an LCU with sub-units have all sub-units on map and combined to form the parent unit, (3) a command transfer done to reassign LCU or air units when necessary, and (4) the specific theatre where an LCU or air unit is intended to be used has been identified.

Additional LCU and air units continue to depart the mainland US as they enter the game and are fully prepared for deployment.

As of 4/43, most Allied ground and air forces expected to be used in offensive operations are currently located within the forward theatres where they are anticipated to operate.


Buildup and expansion of supply and fuel stockpiles within forward theatres: The emphasis here is on stockpiles reserved for support of Allied offensive operations, these stockpiles in addition to minimum supply and fuel required to maintain rear-area bases and activities. This activity has also been ongoing since 12/41 and is basically completed. As there’s never too much supply or fuel, movement of additional supply and fuel stocks into forward theatres continues.


LCU preparations for specific objectives: This step started at the beginning of 1943 gradually setting individual LCU to begin preparations for specific objectives as (1) the objectives were identified, and (2) what LCU were needed for attack on a given objective. This is a continuing process with more LCU to be prepped as objectives and requirements for different objectives are identified.


Transfer of transport and auxiliary ships to forward theatre areas: Ships covered under this step include transports (AP and AK, APA and AKA, APD), landing craft (LST, LCI) and landing ships, mine warfare ships (minesweepers and layers), auxiliaries and tenders, small craft and ships required or expected to be required to be used directly in an amphibious assault or in support after an amphibious landing. This activity is being done with particular emphasis to both South and SW Pacific theatres.

Transfers of these ships to forward theatres has been done almost entirely through the transport convoy system - ships assigned to convoys leaving the mainland US, detached from the convoy on arrival at its destination, then placed in reserve at a rear-area base within the forward theatre where they were dispatched. Transfers was begun after the start of 1943 and are ongoing. Current level of completion is about 50%. It should also be noted there’s a number of ship upgrades and conversions of AK and AP ships to amphibious types (APA, AKA, LSI) – plans are to take advantage of these upgrades and conversions as they become available.


Accumulation of other ship types usable in amphibious support operations: This process started in early 1943 in the South and SW Pacific theatres. Ship types in this category are intended mainly for use to support amphibious landings after the initial assault – these ships including many xAKL, small xAP, and smaller short-range xAK not suitable for use in the convoy system. Where these ships are potentially useful is their relatively small size and cargo capacity allows easy and quicker unloading of cargoes in small ports, especially useful for quick turn-around at bases subject to Japanese naval or air attack.


Deployment and arrival of naval forces in forward theatres: This is the final step of preparation and projected to be done at the last possible moment, mainly to eliminate any possibility of advance warning to my Japanese opponent. Naval forces included in this step are carriers, bombardment and surface combat TF’s.


What theatre(s) are the most likely Allied paths of advance? At this time, all Pacific theatres are in the “mix” with one or more possible objectives in each theatre planned or under preparation. The approach being taken in selection and timing of objectives is taking the best possible opportunity, regardless of theatre, following the path (or paths) of least resistance.

My current ranking of theatres (best to worst) follows.

• South and SW Pacific (these two being about equal)
• Central Pacific
• North Pacific
• Eastern DEI
• Burma and Southeast Asia
• Central and Western DEI

South and SW Pacific theatres occupy the #1 and #1a spots due to current level of preparations as well as having the largest number of possible points of attack.

Central Pacific theatre is also considered quite favorable, though activity in this theatre is more likely to supplement what is underway in the South and SW Pacific.

While the North Pacific is limited in available objectives, it does have value in providing some diversion. No plans for large-scale offensive operations from the North Pacific theatre are currently under consideration but could be possible if future developments or opportunities justify them.

A direct Allied advance against Burma, Southeast Asia or the DEI is viewed as considerably more problematical. Known intelligence data has established and largely verified that Pillager has considerably reinforced Japanese defensives against an Allied ground or amphibious assault in each of these theatres – especially (and already) true at key locations in the DEI. Likely or possible Japanese reinforcements to these areas from a collapse of China would easily add to the difficulty in these three theatres – possibly more so than in the Pacific areas. A secondary objective of the recent US carrier operation against Palembang was encouraging Pillager to put even more emphasis on defending the DEI (rather than elsewhere).


Allied paths of advance: Each of the main Pacific theatres (Central, South, Southwest) has at least one primary objective with active preparation for that objective now underway. Smaller targets in each theatre area are also being looked at as secondary objectives that may be done in addition to a primary objective or as an alternate to the primary objective if an attack on the primary objective proves to be infeasible.

My preferred approach to Allied strategic plans for the next few months of 1943 is launching offensives in at least two of the three main Pacific theatres – these attacks not necessary simultaneous, but with the intent of having offensive actions in each Pacific theatre complementing efforts underway elsewhere. I’d like to have Pillager watching several directions at once, not allowing concentration of Japanese strategic reserves (particularly KB and IJN surface naval forces) against any one Allied path of advance – this (of course) done without the Allies seriously dispersing their forces.

The best possibility of launching multiple coordinated Allied attacks exists between South and Southwest Pacific theatres – this combination of theatres allows the easiest shifting of resources and attack forces back and forth. Allied offensive operations from South and Southwest Pacific can also be mutually supporting. Central Pacific theatre is a little more distant (in terms of mutually supporting) but does allow a good avenue for diversionary attack(s) on the Japanese outer perimeter which can be converted to a main path of advance under favorable conditions in the Central Pacific or if the strategic situation elsewhere makes this necessary. My overall approach is not being overly “fixed” on specific objectives (though to a point this is necessary for preparation purposes) but looking for and taking the best available path(s) of least Japanese resistance.



The Role of Intelligence: Over time, accumulating and recording identifying locations and dates of Jap LCU from Sigint entries and AAR’s has provided a fairly detailed listing of virtually the entire Japanese LCU order of battle. The idea behind accumulating LCU deployments being that placement and distribution of an opponent’s LCU is a useful indicator of said opponent’s overall strategy (either offensive or defensive). At this point, it’s possible to point to almost any Japanese-controlled base on the game map and identify the specific Jap LCU probably located in the base and how long (or recently) each one has been there.

The process of updating Jap LCU information each game turn also provides some insight into Pillager’s movements of Japanese LCU – particularly useful in spotting transfers of Jap units from Manchuria/Korea to other theatres. Tracking information on Jap LCU over time provides specific identities of Jap LCU Pillager has moved or is moving, their destination and previous location. Known movements of Jap LCU can also provide information identifying larger scale trends in the "big picture".

Combining Jap LCU information with other information including detected port/airfield sizes and ship movements, it has been possible to compile a reasonably comprehensive view of what’s inside the Japanese empire from available intelligence data. Jap combat LCU concentrations indicate bases and areas where Pillager is likely or probably intending to defend and relative importance of the location to Japanese strategy.

Locations and distribution of Jap construction and base force LCU indicating where Pillager is engaged in building airfields, ports and fortifications – detected statuses of these bases also providing what is being built and level of completion. Base force and HQ LCU locations along with detected port/airfield sizes indicating where Pillager has established Japanese air and naval bases, including an estimate of each base’s relative size, importance and possible role(s). It’s not only where Pillager has his Japanese planes and ships, it’s also the bases where he can put them.

My estimate is this accumulation of data is probably 80-90% accurate (to the degree it's complete) given FOW and how “dated” some items of information are. It doesn’t tell everything, it’s not totally accurate, but it does tell much if not most of the story. Having tracked and updated this data since 12/41 has given me some sense of how good (or not so good) a specific piece of information is. I do expect some surprises, but not many of them. The main thing in interpreting and evaluating intelligence data is not going too far beyond what is definitely known or easily proven from the available information.


Bottlenecks: AGC (amphibious command ships) and Amphibious Force HQ not yet available. Scheduled date of the first AGC ship arrival is 9/43, arrival of the first Amphibious Force HQ in 7/43.

Availability or unavailability of AGC and Amphibious Force HQ will have a considerable role in whether or not some Allied offensive operations are launched at a given time, especially against Japanese objectives known to be defended. Without AGC and Amphibious Force HQ, selection of objectives and assaults on these objectives will need to be done with a considerable degree of discretion. If it appears likely that successful assault on an objective will require an AGC and Amphibious Force HQ and none is available, a delay of the assault may likely be needed until AGC and Amphibious Force HQ enter the game and reach the front lines. Evaluation of this will be done on a case-by-case basis.


The “to do” list & expected events in the near future: A number of tasks remain to be done, plus several events unfolding in the near future for the Allied side will have some amount of influence in Allies strategic offensive plans now unfolding.

• Complete movement and concentration of amphibious transport ships (AP, APA, AKA, LST, LCI, LSI, APD types) into forward theatres. This is the biggest single step underway at this time and now partially completed. The first contingents of these ships have already reached forward theatre areas (mainly South Pacific) and “parked” in reserve as they arrive. Additional amphibious ships of these types are being attached in departing transport convoys as they form and leave the mainland US – several convoys now in transit to the South/SW Pacific include contingents of amphibious transport ships.

• Movement of US ground and air units from the mainland US continue as new LCU and air squadrons enter the game as reinforcements and the new units become ready to deploy from the mainland US. A number of US air squadrons now operating as pilot training units in the mainland US are also planned to convert to front-line combat squadrons and transfer to forward theatres. The conversion process from “training” to “combat” mode for these air squadrons includes two steps – (1) plane upgrade to first-line type, and (2) mass swapping of fully-trained pilots into the squadrons replacing any untrained or partially trained pilots.

• Arrival of CV Essex within the next month. More carriers!

• Fighter plane upgrade (F4F Wildcat to F6F Hellcat) in the US main carrier force. This has not started yet for VF squadrons aboard the six US fleet CV’s now in the game. F6F-3 aircraft started production this month (4/43) – 103 planes currently in the replacement pool, sufficient as of now to equip VF squadrons aboard two carriers with adequate planes in the pool to cover operational/combat losses. VF squadrons on all six US fleet carriers are expected to complete aircraft upgrade to F6F Hellcats by early 6/43.


• Creation of a US escort carrier force. This action is something I did in my earlier PBEM vs Pillager in CHS and it appears to have value in AE as well. Primary function of US escort carrier TF(s) will be providing dedicated fighter CAP directly over transport and amphibious TF engaged in landing operations or follow-up transport ops delivering reinforcements and supply into a beachhead – CVE performing this function allows the main fleet carrier force to freely pursue other missions.

Eight US CVE (excluding Long Island) are currently in the game, all located on the US West Coast with all CVE air groups on dedicated pilot training. Dive and torpedo bombing squadrons entering the game aboard CVE have been put ashore and likely to continue operating as land-based pilot training squadrons. This action allows one fighter squadron carried aboard each CVE with 24-28 F4F Wildcats.

Organization of CVE operating in this role (as currently projected) is likely in 2-3 CVE air combat TF with destroyer escort, fighter planes aboard the CVE almost exclusively flying CAP missions. This mode of organization may change if other alternatives are identified.


• Transport ship upgrades and conversions to amphibious-capable ship types. Several of these are currently or soon to be available – notably a conversion of British Pacific L Cargo class xAK (3900 cargo capacity) to xAP (1000 troop & 1200 cargo), and a 6/43 ship upgrade of US C2 Arcturus class AK (6200 cargo capacity) to AKA (also 6200 cargo).

I had mentioned the British Pacific L Cargo xAK conversion in an earlier post – an initial group of five ships now converting in shipyard at Aden, additional ships may or may not be planned. xAK to xAP ship conversions are being limited to a scale where the number of ships converted from xAK does not significantly impact the number of transport ships or cargo capacity available for use in the long-range transport convoy system.

My policy is taking advantage of available transport ship upgrades or conversions to more amphibious-capable types and configurations as much as possible without causing a serious impact on other Allied sea transport operations. The more amphibious-capable ships available the better.


• Movement of Allied (combat) naval forces including carrier, bombardment, surface combat TF into front-line theatre areas is being deferred to the final step of preparation for any given amphibious assault operation(s) they are intended to support. This is not so much a matter of security precautions rather than an established practice of keeping major Allied carrier and surface naval forces invisible until the last possible moment before they are intended to strike.

• Operation of the long-range transport convoy system (particularly “WP” and “EX” convoys) is intended to continue without reduction or interruption once Allied strategic offensive operations begin. It should be noted a policy is in place where individual transport ships are being assigned to either the long-range transport convoy system, or used within a front-line theatre areas for short-range transport missions or in an amphibious assault – except for emergency or priority missions, individual transport ships will not be moved back and forth between long-range transport convoys and direct support of offensive operations in front-line theatres. Until and unless there’s a real and proven need to break this rule, it stands.






Attachment (1)

< Message edited by wneumann -- 12/24/2012 4:23:49 AM >

(in reply to wneumann)
Post #: 868
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/27/2012 12:00:46 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
Summary of Operations 4/29/43

Central Pacific: Sigint entries for 4/28 report intercepted Jap radio transmissions from Mili (southern Marshalls) and Funafuti (Ellice islands). Detected status of Mili shows no visible Japanese forces or activity, status at Funafuti shows unidentified Jap LCU(s). Known Jap LCU at Funafuti from available intelligence data includes three units (3 Garrison Unit, 3 Naval Construction Bn, 3 JNAF AF Co). Another 4/28 Sigint entry verifies 3 Naval Construction Bn is still at Funafuti. No other visible items of interest at either Mili or Funafuti.


South Pacific: A Sigint entry for 4/28 reports sea movement of additional elements of Jap 10th Infantry Division is underway from Noumea to Lunga.

Daily coastwatcher entries from 4/28 Operations report follow.

Coastwatcher Report: 4 ships in port at Milne Bay
Coastwatcher Report: 1 ship in port at Manus
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Tanna
Coastwatcher sighting: 2 Japanese ships at 115,160 near Noumea, Speed unknown
Coastwatcher sighting: 1 Japanese ship at 114,138 near Lunga, Speed unknown
Coastwatcher Report: 1 ship in port at Ndeni
Coastwatcher Report: 1 ship in port at Buna
Coastwatcher Report: 3 ships in port at Lae
Coastwatcher Report: 3 ships in port at Milne Bay
Coastwatcher Report: xAK Nihonka Maru reported in port at Rabaul
Coastwatcher Report: 6 ships in port at Noumea
Coastwatcher Report: 1 ship in port at Efate
Coastwatcher sighting: 3 Japanese ships at 115,160 near Noumea, Speed unknown


DEI: US patrol sub in eastern Java Sea reports contact with small Jap transport. SS Perch is returning to Australia for repair after being damaged in action with Jap surface ASW on 4/25. AAR follows.

--------------------------------------------------------------------------------
Submarine attack near Makassar at 63,107 (SW of Macassar)

Japanese Ships
xAKL Haguro Maru

Allied Ships
SS Perch

xAKL Haguro Maru is sighted by SS Perch
Captain of SS Perch elects not to launch torpedoes at this target

--------------------------------------------------------------------------------

Sigint entry for 4/28 reports intercepted radio transmissions from one or more unidentified Jap TF(s) in the eastern Indian Ocean near Christmas Is (IO) at hex location 46, 105 south of Tjilatjap. No information available on number of Jap TF, composition or movement.


Burma: Detected status of Jap base in Rangoon from British aerial recon – 9 Japanese ships anchored in port, 1 Jap TF in harbor, 103 aircraft (80 fighters, 23 bombers), 7 Jap LCU’s.

Sigint entries for 4/28 reporting intercepted Jap radio transmissions from Moulmein and Bassein in southern Burma - unidentified Jap aircraft detected and visible in both bases. No other visible Japanese forces or activity observed in either location.


China: Japanese deliberate ground attack on Chungking. AAR follows.

** below indicates Japanese LCU reinforcements arriving this game turn. (no new arrivals)

--------------------------------------------------------------------------------
Ground combat at Chungking (76,45)

Japanese Deliberate attack

Attacking force 229075 troops, 2352 guns, 1466 vehicles, Assault Value = 9795
Defending force 471561 troops, 2241 guns, 0 vehicles, Assault Value = 12065
Japanese adjusted assault: 5308
Allied adjusted defense: 5491
Japanese assault odds: 1 to 2 (fort level 0)

Combat modifiers
Defender: terrain(+), leaders(+), experience(-), supply(-)
Attacker:

Japanese ground losses:
8879 casualties reported
Squads: 50 destroyed, 2018 disabled
Non Combat: 2 destroyed, 216 disabled
Engineers: 8 destroyed, 164 disabled
Guns lost 132 (1 destroyed, 131 disabled)
Vehicles lost 93 (23 destroyed, 70 disabled)

Allied ground losses:
38761 casualties reported
Squads: 352 destroyed, 1638 disabled
Non Combat: 701 destroyed, 1370 disabled
Engineers: 14 destroyed, 28 disabled
Guns lost 225 (75 destroyed, 150 disabled)
Units destroyed 10

Assaulting units:
35th Division
1st Ind.Mixed Brigade
110th Division
17th Division
9th Ind.Mixed Brigade
104th Division
7th Ind.Mixed Brigade
59th Infantry Brigade
4th Ind.Mixed Brigade
15th Division
8th Armored Car Co
37th Division
15th Tank Regiment
36th Division
32nd Division
40th Division
6th Division
26th Division
3rd Tank Division
22nd Division
34th Division
116th Division
23rd Ind.Mixed Brigade
70th Division
41st Division
39th Division
58th Division
13th Division
38th Division
6th Medium Field Artillery Regiment
12th Army
13th Ind.Art.Mortar Battalion
15th Ind.Medium Field Artillery Regiment
Tonei Hvy Gun Regiment
3rd Ind.Hvy.Art. Battalion
12th Ind.Art.Mortar Battalion
1st Army
23rd Army
11th Ind.Art.Mortar Battalion
4th Ind. Mountain Gun Regiment
52nd Ind.Mtn.Gun Battalion
10th Ind. Mountain Gun Regiment
North China Area Army
2nd Ind.Hvy.Art. Battalion
2nd Ind. Mountain Gun Regiment
21st Mortar Battalion
51st Ind.Mtn.Gun Battalion
1st Mortar Battalion
1st Hvy.Artillery Regiment
2nd Mortar Battalion
14th Medium Field Artillery Regiment
11th Army
20th Ind. Mtn Gun Battalion

Defending units:
11th Chinese Corps
8th Chinese Corps
62nd Chinese Corps
9th Prov Chinese Corps
5th New Chinese Corps
4th Chinese Cavalry Corps
86th Chinese Corps
14th Chinese Corps
99th Chinese Corps
81st Chinese Corps
38th Chinese Corps
18th Chinese Corps
1st Chinese Cavalry Corps
1st New Chinese Corps
27th Chinese Corps
57th Chinese Corps
74th Chinese Corps
35th Chinese Corps
85th Chinese Corps
75th Chinese Corps
96th Chinese Corps
60th Chinese Corps
98th Chinese Corps
3rd Chinese Corps
16th Chinese Corps
9th Chinese Corps
2nd Chinese Cavalry Corps
50th Chinese Corps
61st Chinese Corps
89th Chinese Corps
33rd Chinese Corps
68th Chinese Corps
10th Chinese Corps
45th Chinese Corps
97th Chinese Corps
47th Chinese Corps
78th Chinese Corps
25th Chinese Corps
23rd Chinese Corps
59th Chinese Corps
87th Chinese Corps
3rd Prov Chinese Corps
49th Chinese Corps
1st Chinese Corps
42nd Chinese Corps
55th Chinese Corps
36th Chinese Corps
93rd Chinese Corps
43rd Chinese Corps
100th Chinese Corps
79th Chinese Corps
53rd Chinese Corps
56th Chinese Corps
77th Chinese Corps
29th Chinese Corps
73rd Chinese Corps
4th Chinese Corps
21st Chinese Corps
13th Chinese Corps
7th Chinese Corps
31st Chinese Corps
32nd Chinese Corps
46th Chinese Corps
94th Chinese Corps
72nd Chinese Corps
92nd Chinese Corps
41st Chinese Corps
91st Chinese Corps
2nd Prov Chinese Corps
30th Chinese Corps
90th Chinese Corps
44th Chinese Corps
19th Chinese Corps
5th Chinese Cavalry Corps
71st Chinese Corps
52nd Chinese Corps
120th Red Chinese Division
26th Chinese Corps
76th Chinese Corps
63rd Chinese Corps
2nd Chinese Corps
20th Chinese Corps
84th Chinese Corps
12th Chinese Corps
67th Chinese Corps
37th Chinese Corps
2nd Construction Regiment
9th Chinese Base Force
1st Chinese Base Force
1st War Area
7th Artillery Regiment
37th Group Army
15th Chinese Base Force
8th Construction Regiment
32nd Group Army
1st Group Army
3rd War Area
22nd Chinese Corps
39th Chinese Corps
6th Chinese Base Force
8th War Area
115th Red Chinese Division
38th Group Army
3rd Group Army
6th War Area
2nd Group Army
31st Group Army
26th Group Army
65th Chinese Corps
17th Construction Regiment
13th Chinese Base Force
15th Group Army
20th Group Army
5th Group Army
41st AA Regiment
15th Chinese Corps
21st Group Army
9th War Area
9th Group Army
6th Group Army
33rd Group Army
20th Artillery Regiment
2nd Chinese Base Force
16th Construction Regiment
35th Group Army
12th Group Army
14th Group Army
4th Group Army
3rd Construction Regiment
18th Chinese Base Force
14th Construction Regiment
Jingcha War Area
36th Group Army
4th Chinese Base Force
20th Chinese Base Force
Lusu War Area
13th Construction Regiment
25th Group Army
7th New Chinese Corps
22nd Group Army
3rd Chinese Cavalry Corps
10th Chinese Base Force
2nd War Area
18th Artillery Regiment
12th Construction Regiment
11th Chinese Base Force
7th Chinese Base Force
11th Construction Regiment
CAF HQ
4th War Area
Central Reserve
24th Group Army
3rd Heavy Mortar Regiment
23rd Group Army
13th Group Army
27th Group Army
6th Construction Regiment
7th War Area
Red Chinese Army
4th Heavy Mortar Regiment
18th Group Army
10th Construction Regiment
19th Group Army
49th AA Regiment
17th Chinese Base Force
China Command
5th War Area
56th AT Gun Regiment

--------------------------------------------------------------------------------

(in reply to wneumann)
Post #: 869
RE: Sleepless on Samoa, the Sequel (wneumann vs Jolly P... - 12/27/2012 12:10:10 AM   
wneumann


Posts: 2563
Joined: 11/1/2005
From: just beyond the outskirts of Margaritaville
Status: offline
The Big Picture #17 – Allied Buildup and Offensive Preparations (South Pacific theatre)

This post covers Allied buildup activities and offensive preparations specific to the South Pacific theatre through the end of 4/43.

Principal bases in the South Pacific theatre area: Auckland is the central base for operations in the South Pacific theatre area. Major secondary operating bases established in the South Pacific area include Fiji (both Suva and Nadi bases), Pago Pago, Tongatapu (naval base for light surface ASW & minesweepers covering Suva) and Tahiti. Port and airfield facilities at all these bases are fully expanded to maximum sizes.


Supply & Fuel Operational Stockpiles: The following quantities are on-hand amounts currently stored at central location(s) in the South Pacific theatre area and considered available for use in supporting planned or projected offensive operations in/from this theatre. The quantities below exclude amounts of supply and fuel on-hand at outlying bases, also any estimated amounts required to maintain rear-area bases and operations in the South Pacific area plus maintaining LCU and aircraft in NZ restricted command forces.

• Supply – 2.0 million
• Fuel – 970K

Build-up of these reserves was done mainly through shipments arriving from the mainland US via “WP” convoys from the West Coast – this activity intended to continue. Most LCU and air unit arrivals in the South Pacific also come via this convoy route.

Light industry production in New Zealand is active and producing supply points using domestic resource production along with small quantities of resource points occasionally transported from Suva to Auckland. All heavy industry facilities in New Zealand are currently inactive.


HQ Units in theatre: HQ’s operating in the South Pacific area follow.

• Naval HQ (1) – South Pacific theatre
• Air HQ (6) - 13th USAAF, XIII US Fighter Cmd, XIII US Bomber Cmd, USN AirSoPac, US Marine AirFMPac, 1 Group RNZAF (NZ unrestricted command)
• Ground HQ (3) – US I Amphibious Corps, US XIV Corps, 3rd NZ Division HQ
• Other HQ (1) – New Zealand Command (restricted command)


Combat Ground forces in theatre: The LCU listed below include Allied ground combat forces now in the South Pacific theatre area, excluding New Zealand LCU under restricted command. The majority of these units are currently located in New Zealand, Fiji or Samoa, plus a small garrison at Tahiti.

• Divisional combat units (Infantry) – four US Army infantry divisions, two US Marine divisions.
• Brigade/Regiment combat units (Infantry) – three NZ Infantry Brigades (unrestricted command), 112 US Cavalry Rgt, two US Infantry Rgts
• Battalion combat units (Infantry) – Samoa Marine Bn (US), 4 US Marine Raider Bn, two US Army bns, two Australian bns (unrestricted command), Samoa Detachment and 1 Fiji Commando Bn (both NZ unrestricted command)
• Airborne units – three US Marine Parachute Bns
• Combat Engineer units – 131 US Combat Engineer Rgt, 110 US Combat Engineer Bn
• Tank/Motorized units - three US Tank Bns, 3 NZ Armored Sqn (unrestricted command), two NZ light Motorized Rgts (unrestricted command)
• Artillery units – 33 NZ Medium Artillery Rgt (unrestricted command), eight US Field Artillery Bns


Support and Base Force LCU in theatre: Allied units listed below are now in the South Pacific theatre area, excluding New Zealand LCU under restricted command. Most of these units currently located in New Zealand, Fiji or Samoa, plus the garrison at Tahiti.

• Naval base units – five USN Base Force LCU, F Det USN Port Svc
• Air base units – four USAAF Base Force LCU, one US Aviation Base Force LCU, two US Marine Air Base Force LCU, two NZ Air Base Force LCU (unrestricted command)
• Other base units – five USA Base Force LCU
• Anti-aircraft units – five US AA Rgts, one US AA Bn
• Coast Artillery units – seven US Marine Def Bns
• Construction Engineer units – five US Army EAB, two US Marine EAB, three US Naval Construction Rgts, sixteen USN Seabee Bns, two NZ Pioneer Coys (unrestricted command)


Allied LBA Air forces currently in theatre: Most air squadrons listed below include forces based in New Zealand plus those in the Suva/Samoa area.

• Fighter (USAAF) – 5 squadrons, 125 planes total. 3 squadrons with P-40K, one P-38F, one P-38G.
• Fighter (USN, US Marine) – 5 squadrons, 90 planes total. Three squadrons with F4U-1 Corsair, two F4F. Priority for plane upgrades from F4F Wildcat to F4U Corsairs being given to VMF fighter squadrons in the South Pacific.
• Fighter (NZ, all restricted command) – 3 squadrons, 36 planes total. All three NZ fighter squadrons equipped with Kittyhawk variants.

• Dive Bombers (US Marine) – 7 squadrons, 126 planes total. All squadrons equipped with SBD-3 Dauntless.
• 2E Bombers (USAAF) – none currently in theatre.
• 2E Bombers (NZ restricted command) – 6 squadrons, 72 planes total. 5 squadrons with Hudson III(LR), one Vincent I. Four of the 6 squadrons (all Hudson III) trained specifically for both regular and low-level naval attack. One Hudson III squadron employed on naval search missions from Suva, the Vincent I squadron for dedicated pilot training. My intent is using NZ 2E bombers primarily for naval attack.
• Torpedo (NZ restricted command) – 1 squadron, 12 planes. This squadron operating Vildebeest IV, has a 5/15/43 scheduled withdrawal date.

• 4E Bombers (USAAF) – 2 squadrons, 28 planes total. One squadron with B-17E, one LB-30.

Plans currently in place have Central and South Pacific theatres using a common pool of USAAF 4E bombers that will move between the two theatres. Intent of this plan is to form and operate a single concentrated force of 4E bombers that will operate as “flying artillery” in support of offensive operations in either theatre. Movement of 4E bombers between Central and South Pacific will be done using base-to-base transfer by air. Pago Pago airfield (Samoa) is fully expanded to size 7 with sufficient supply and aviation support in place as a transit point to support air transfer missions between Pearl Harbor and Suva. Additional 4E bomber squadrons in SW Pacific theatre can be drawn into this pool as needed or desired.

• Patrol (USN) – 4 squadrons, 45 planes total. All squadrons with PBY Catalina variants. One squadron based at Tahiti.
• Patrol (Australian) – 1 squadron, 4 planes. This squadron with Catalina I.
• Patrol (NZ, unrestricted command) – 1 squadron, 1 plane. This squadron has one S19 Singapore floatplane and currently a training squadron. Plans are to upgrade the squadron to 12 PBY-5 Catalina (NZ) when these planes become available in sufficient quantity to do the upgrade – production of (NZ) PBY-5 just started in 4/43. After upgrade, the NZ squadron will operate on front-line naval search missions.

• Recon (USAAF) – 2 squadrons, 24 planes total. One squadron with F-4 Lightning, one with F-5A Lightning.

• Air Transport (USAAF & US Marines) – 3 squadrons, 37 planes total. 2 squadrons with R4D-1, one C-47.


Aviation support elements currently available in theatre:

• Base Force LCU (US & NZ non-restricted command) – 1384 squads
• Base Force LCU (NZ restricted command) – 229 squads
• Seaplane tenders – 8 total air support capacity


Allied Naval forces currently in theatre: At this time, no major Allied surface naval or carrier forces are operating in the South Pacific theatre area. Overall strategic plans do not have major Allied carrier or surface naval forces permanently operating in the South Pacific or any other theatre command – these forces are intended to move from one area to another according to operational or strategic needs at a given time and will only appear in the forward zone of a theatre area at the “last moment” before launching of a major operation.

Ships in naval forces currently located in the South Pacific theatre and assigned to operations there include (1) surface ASW and minesweeping forces covering New Zealand and Suva, and (2) S-class submarines operating in patrol areas to the N, NW and W of Suva.

From early 1942, all US S-class subs and short-range Dutch submarines have been assigned to patrol operations near Suva, also in northern areas of the Coral Sea near Rabaul and the Solomons. This action was done to take best advantage of the limited range of these subs, also the fact torpedo armament on these subs were the best available through all of 1942. In 1943, patrol operations of some US fleet submarines are starting to be based at Auckland (rather than Pearl Harbor) – this being done for US fleet subs in patrol operations south of Truk to take advantage of Auckland’s closer location to the assigned patrol areas of these subs. At this time only a small number of US fleet subs are based at Auckland, plans are underway to increase the number of subs at Auckland.

The following are numbers of various light naval forces currently located within the South Pacific theatre area mainly on surface ASW and mine warfare operations. If necessary, this force can be reinforced with additional ships from the SW Pacific theatre area (Australia).

• Light Cruisers (CL) – 1 Omaha Class
• Destroyers (DD) – 5 (all Wickes & Clemson classes)
• Light surface ASW ships (SC, PC) – 25 (most operating near Suva or Auckland)
• US S-class submarines – 15
• US Fleet submarines – 4 (plus 6 additional subs now enroute from Pearl Harbor)
• Destroyer Minesweepers (DMS) – 2
• Minesweepers (AM, YMS) – 15 (both US and NZ ships)
• Coastal Minesweepers (AMc) – 7 (all NZ)
• Minefield Tenders (ACM) – 4
• Minelayers (CM) – 2 (both US)
• PT Boats – 3


Transport, Amphibious & Naval Auxiliary ships in theatre: Ships included in this category are reserved for use within the theatre area and perform one or more of the operational function(s) below.

(1) Short-range sea transport between bases within the theatre area.
(2) Auxiliary ships for replenishment and support purposes.
(3) Ships being accumulated in reserve for use in planned and projected amphibious operations.

Ships listed below are now located at bases in the South Pacific theatre area – these ships part of a common pool with SW Pacific theatre available for operational use in either (SW or South Pacific) theatre.

• Transport (xAKL, various nationalities) – 29
• Transport (small xAK) – 6
• Submarine Transport (SST) – 3
• Small AO – 5 (four Dutch, one Australian)
• LST – 17
• Destroyer Transports (APD) – 1

• Tenders (AG) – 4
• Seaplane Tender (AVD, AVP) – 2 (one Dutch, one US)


Naval support currently available in theatre: The following are numbers of available naval support squads on TOE strength in Base Force LCU located in the South Pacific area.

• Base Force LCU (US. NZ, Free French non-restricted command) – 560 squads
• Base Force LCU (NZ restricted command) – 40 squads

One repair shipyard at Auckland (size 15) is located in the South Pacific command area. This shipyard mainly used for repair of minor damage for submarines, small surface ASW and transport ships based in the South Pacific theatre area. Auckland shipyard is occasionally used for upgrades and major repairs, though in most cases (for security reasons) these ships are transferred to shipyards in Australia (Sydney, Melbourne, Brisbane) to undergo major repairs or ship upgrades. My practice has been limiting use of Auckland shipyard to simple, quick repair activity or emergencies – this to prevent the possibility of ships being caught in shipyard during a Japanese attack (main concern here being a KB sortie).


< Message edited by wneumann -- 12/27/2012 12:16:09 AM >

(in reply to wneumann)
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