Military Factory

USN Ship Classifications - From A to Z

Authored By Staff Writer | Last Updated: 1/14/2016

The United States Navy classifies each of its surface and underwater warships through distinct identifiers.

The following is a list of current officially recognized ship designations utilized by the United States Navy as provided through the Naval Ship Register.

ACS = Auxiliary Crane Ship
AD = Destroyer Tender
AE = Ammunition Ship
AFS = Combat Shore Ship
AG = Auxiliary General
AGDS = Deep Submergence Support Ship
AGER = Environmental Research Ship
AGF = Miscellaneous Command Ship
AGM = Missile Range Instrumentation Ship
AGOR = Oceanographic Research Ship
AGOS = Ocean Surveillance Ship
AGS = Survey Ship
AGSS = Auxiliary Research Submarine
AH = Hospital Ship
AK = Cargo Ship
AKR = Vehicle Cargo Ship
AO = Oiler
AOE = Fast Combat Support Ship
AOG = Gasoline Tanker
AOR = Replenishment Oiler
AOT = Transport Oiler
AP = Transport
APD = High Speed Transport
AR = Repair Ship
ARC = Cable Repair Ship
AS = Submarine Tender
ARS = Salvage Ship
ASR = Submarine Rescue Ship
ATA = Auxiliary Ocean Tug
ATF = Fleet Ocean Tug
ATS = Salvage and Rescue Ship
AVB = Aviation Logistics Support Ship
AVT = Auxiliary Aircraft Landing Training Ship BB = Battleship
CA = Gun Cruiser
CG = Guided Missile Cruiser (conventional propulsion)
CGN = Guided Missile Cruiser (nuclear propulsion)
CV = Aircraft Carrier (conventional propulsion)
CVN = Aircraft Carrier (nuclear propulsion)
DD = Destroyer
DDG = Guided Missile Destroyer
FF = Frigate
FFG = Guided Missile Frigate
FFR = Radar Picket Frigate
FFT = Frigate For Training Reserve Units
LHA = Amphibious Assault Ship (with general purpose capabilities)
LHD = Amphibious Assault Ship (with multi-purpose capabilities)
LPD = Amphibious Transport Dock
LPH = Amphibious Transport Ship (with support for helicopters)
LKA = Amphibious Cargo Ship
LSD = Dock Landing Ship
LSM = Medium Landing Ship
LST = Tank Landing Ship
LCC = Amphibious Command Ship
MSO = Minesweeper, Ocean
MCM = Mine Countermeasures Ship
MCS = Mine Countermeasures Support Ship
MHC = Minehunter, Coastal
PC = Patrol Craft
PG = Patrol Combatant
SS = Submarine (conventional propulsion)
SSN = Submarine (nuclear propulsion)
SSBN = Ballistic Missile Submarine (nuclear propulsion)