Imperial Standard Ship Classifications

 Dreadnoughts  DN - Dreadnought

 Battleships 

BB - Battleship

 Battlecruisers  BC - Battlecruiser

 Carriers  CV - Carrier

 Cruisers 

Heavy CA - Heavy Cruiser

CC - Command Cruiser

CAT - Heavy Torpedo Cruiser

CAG - Missile Cruiser

Light CL - Light Cruiser

CLT - Light Torpedo Cruiser

CLG - Light Missile Cruiser

 Destroyers 

DD - Destroyer

 Frigates 

FF - Frigate

FFA - Anti-Strike Craft Frigate

FFG - Missile Frigate

FFT - Torpedo Frigate

PFF - Patrol Leader Frigate

Small Ships

PT - Patrol Ship (Torpedo)

PA - Patrol Ship (Anti-Strike Craft)

PS - Patrol Ship

FTR - Fighter

FTRb - Bomber