Helicopter Carriers

Ships

CVN	Aircraft Carrier (Nuclear Powered)
CV	Aircraft Carrier
CVS	Aircraft Carrier V STOL
H	Helicopter Carrier
CGN	Guided-Missile Cruiser (Nuclear Powered)
CG	Guided-Missile Cruiser
C	Cruiser
DDG	Guided-Missile Destroyer
DD	Destroyer
FFG	Guided-Missile Frigate
FF	Frigate
FS	Corvette
W	Coast Guards
LCS	Littoral combat ship

LCC	Command ship
LH	Assault Carrier
L	Landing Ship/Platform Dock
LKA	Amphibious Cargo Ship

AO	Support Ship
AW	Icebreakers
OTH	Others

TK	Oil Tanker
FPSO	Floating Production Storage and Offloading
DRILL	Drill Ship
PSV	Platform Supply Vessel
SVY	Research/Survey Vessel

GMLS	Missile Launcher
SAM	Naval Surface-to-Air Missile
SSM	Naval Surface-to-Surface Missile