Here is the full list of all 14 Victory At Sea Pacific achievements.
Sink 30 enemy subs.
Destroy 1000 enemy ships.
Destroy 1000 enemy planes.
Run out of everything (ammo, fuel, food) on a ship.
Sink 50 enemy destroyers.
Sink 30 enemy cruisers.
Sink 20 enemy carriers.
Sink 20 enemy battleships.
Capture 20 enemy ports.
Lose 5 of your own battleships.
Win the US Pacific campaign.
Destroy 3 or more enemy ships in a battle involving only one ship of your own.
Recon 25 enemy ports.
Sink 50 enemy cargo ships using submersibles.