Here is the full list of all 23 Victory At Sea achievements.
Sink one hundred ships in campaign mode.
Capture fifty ports.
Complete the Pacific campaign as USA or Britain.
Complete the Mediterranean campaign as USA or Britain.
Complete all the campaigns.
Earn one hundred million warbonds in a single campaign.
Earn five hundred million warbonds in a single campaign.
Sink ships from each ship category.
Capture an enemy operative.
Complete the Atlantic Campaign as Germany.
Sink twenty destroyers in campaign mode.
Sink to the bottom of the sea.
Sink three combat ships in battle when commanding a single ship.
Complete the Atlantic campaign as USA or Britain.
Win all the historical battles.
Sink six combat ships in battle when commanding a single ship.
Own at least one ship of every category.
Recover covert intelligence.
Capture an enemy captain.
Complete the Pacific Campaign as Japan.
Complete a campaign on Hard difficulty.
Complete a campaign on Expert difficulty.
Sink at least four enemies in combat with a fleet of submarines.