Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Battleship Hunter	Sink 10 battleships across all battles.
Battleship Terminator	Sink 50 battleships across all battles.
Carrier Hunter	Sink 10 aircraft carriers across all battles.
Carrier Terminator	Sink 50 aircraft carriers across all battles.
Cruiser Hunter	Sink 10 cruisers across all battles.
Cruiser Terminator	Sink 50 cruisers across all battles.
Destroyer Hunter	Sink 10 destroyers across all battles.
Destroyer Terminator	Sink 50 destroyers across all battles.
Frigate Hunter	Sink 10 frigates across all battles.
Frigate Terminator	Sink 50 frigates across all battles.
Minelayer	Deploy 10 minefields across all battles.
Not A Scratch	Win a battle without taking any damage.
Ramming Speed	Sink an enemy ship by ramming it.
Sub Hunter	Sink 10 submarines across all battles.
Sub Terminator	Sink 50 submarines across all battles.
Tora, Tora, Tora!	Launch 10 airstrikes across all battles.
Torpedo In The Water	Sink an enemy ship with a torpedo.