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    USN Ship Hull Classifications - From A to Z

    Authored By Staff Writer | Last Updated: 3/8/2016

    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)