From: Toronto Canada
For repairing sys damage & minor float, and major under 6, on ships they can work on it is very important to stack more than one.
I have a major repair port out in the SPac, and the port size is maxxed at 4.
BUT, with quite a few AD, AR, AS, AG, AGP's I can keep everything from DD down afloat.
Then I have a lot of NavSupport and AKE's to be able to re-arm everything.
So just CL and up have to transit back to the HI for repairs, along with the odd DD. BUT, I can really keep a high tempo of surface op's.
Such bases are critical to the tempo of operations through out the war.
Anecdotally - situational - as an Allied commander in 1942 you might desire a series of such bases at places like Midway - Canton - Pago Pago - Noumea - Townsville for example
latter as the Allied commander - you will get the ability to replenish at sea - but 1945 is a "long way in the future" from the perspective of 1942
A People that values its privileges above it's principles will soon loose both. Dwight D Eisenhower.