Warship
During WWII, warships evolved along with aircrafts.
Imperial Japanese Navy
Battleship
Heavy Cruiser
Light Cruiser
Aircraft Carrier
Seaplane Carrier
Submarine Tender
Minelayer
Coarstal Escort Ship
Gun Boat
Destroyer
Submarine
Torpedo Boat
Minesweeper
Special Duty Ship
Transport Ship
Target Ship
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