From: Winnipeg, MB
Landing Barges (Allied LCTs) come in two flavours - the ones in your ship reinforcement screen that have an arrival date, and others that you can create using supply from a large enough base or from a TF with 10K+ supply. There is a limit to how many you can create in this way - smaller numbers at the start of the game and larger numbers later on. If they get destroyed, I am not sure that they come back when you create more of them or if they stay sunk.
So for some destroyed LBs/LCTs, the enemy gets a VP and for others, not.
Mini-subs are a bit more complex and worth 4 VP each. You can create them from supply, and I think there are some in the Naval Reinforcement queue, so I think it works like LBs/LCTs - except maybe the part about creating from TF cargo supply.
No matter how bad a situation is, you can always make it worse. - Chris Hadfield : An Astronaut's Guide To Life On Earth