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Ship Type and Class Designations - 1993

Between 1968 and 1993, SECNAVINST 5030.1 went through an additional seven (7) versions, with version L released on 22 January 1993. The first instruction released following the end of the Cold War with the Soviet Union, the list of ship types - which dropped from 186 in 1968 to 147 in this directive - reflects the contemporary trend towards a smaller, less hyper-specialized force.

Letter prefixes are used in conjunction with classification symbols as follows:
T - To indicate that a ship is assigned to MSTS (Military Sea Transportation Service).
F - To indicate that a ship is being constructed for a foreign government.
W - To indicate a Coast Guard Ship.
The letter "N" when used as the last letter of a ship classification symbol denotes nuclear propulsion. When used as the last letter of a service craft classification symbol, the letter "N" indicates a non-self-propelled version of a similar self-propelled service craft.

Combatant Ship Category
A. Warship Classification
1. Aircraft Carrier Type
All ships designed primarily for the purpose of conducting combat operations by aircraft which engage in attacks against airborne, surface, sub-surface and shore targets.
a. CTOL (Conventional Take Off and Landing Aircraft Carriers)
Multi-purpose Aircraft Carrier CV
Multi-purpose Aircraft Carrier (Nuclear Propulsion) CVN
2. Surface Combatant Type
Large, heavily armed, surface ships which are designed primarily to engage enemy forces on the high seas.
a. Battleships
Battleship BB
b. Cruisers
Guided Missile Cruiser CG
Guided Missile Cruiser (Nuclear Propulsion) CGN
c. Destroyers
Destroyer DD
Guided Missile Destroyer DDG
d. Frigates
Frigate FF
Guided Missile Frigate FFG
Frigate (Reserve Training) FFT
3. Submarine Type
All self-propelled submersible types regardless of whether employed as combatant, auxiliary, or research and development vehicles which have at least a residual combat capability.
a. Attack Submarines
Submarine (Nuclear Powered) SSN
b. Ballistic Missile Submarines
Ballistic Missile Submarine (Nuclear Powered) SSBN
Guided Missile Submarine SSG
B. Other Combatant Classification
1. Patrol Combatant Type
Combatants whose mission may extend beyond coastal duties and whose characteristics include adequate endurance and sea keeping to provide a capability for operations exceeding 48 hours on the high seas without support.
a. Patrol Ships
Patrol Combatant Missile (Hydrofoil) PHM
2. Amphibious Warfare Type Ships
All ships having organic capability for amphibious assault and which have characteristics enabling long duration operations on the high seas.
a. Amphibious Helicopter/Landing Craft Carriers
Amphibious Assault Ship (general purpose) LHA
Amphibious Assault Ship (Multi-Purpose) LHD
Amphibious Transport Dock LPD
Amphibious Assault Ship (Helicopter) LPH
b. Landing Craft Carriers
Amphibious Cargo Ship LKA
Dock Landing Ship LSD
Tank Landing Ship LST
c. Miscellaneous
Amphibious Command Ship LCC
3. Combat Logistics Type Ships
Ships which have the capability to provide underway replenishment to fleet units.
a. Underway Replenishment
Ammunition Ship AE
Store Ship AF
Combat Store Ship AFS
Oiler AO
Fast Combat Support Ship AOE
Replenishment Oiler AOR
4. Mine Warfare Ships
All ships whose primary function is mine warfare on the high seas.
a. Minesweepers
Minesweeper, Ocean MSO
b. Mine Countermeasures Ships
Mine Countermeasures Ship MCM
Mine Countermeasures Support Ship MCS
Minehunter, Coastal MHC
5. Coastal Defense Ships
All ships whose primary function is coastal patrol and interdiction.
a. Special Warfare
Patrol, Coastal PC
Auxiliary Ship Category
A. Auxiliary Classification
1. Mobile Logistics Type Ships
Ships which have the capability to provide direct material support to other deployed units operating far from home.
a. Material Support
Destroyer Tender AD
Repair Ship AR
Submarine Tender AS
2. Support Type Ships
A grouping of ships designed to operate in the open ocean in a variety of sea states to provide general support to either combatant forces or shore based establishments (Includes smaller auxiliaries which by the nature of their duties, leave inshore waters).
a. Fleet Support
Salvage Ship ARS
Submarine Rescue Ship ASR
Fleet Ocean Tug ATF
Salvage and Rescue Ship ATS
b. Other Auxiliaries
Auxiliary Crane Ship ACS
Auxiliary General AG
Deep Submergence Support Ship AGDS
Miscellaneous Command Ship AGF
Auxiliary General Frigate AGFF
Missile Range Instrumentation Ship AGM
Oceanographic Research Ship AGOR
Ocean Surveillance Ship AGOS
Surveying Ship AGS
Auxiliary Research Submarine AGSS
Hospital Ship AH
Cargo Ship AK
Auxiliary Cargo Barge/Lighter Ship AKB
Auxiliary Cargo Float-On/Float-Off Ship AKF
Vehicle Cargo Ship AKR
Gasoline Tanker AOG
Transport Oiler AOT
Transport AP
Cable Repairing Ship ARC
Aviation Logistic Support Ship AVB
Auxiliary Aircraft Landing Training Ship AVT
Combatant Craft Category
A. Combatant Craft Classification
1. Patrol Type Craft
Surface patrol craft intended for use relatively near the coast or in sheltered waters or rivers.
a. Coastal Patrol Combatants
Patrol Boat PB
Patrol Craft (Fast) PCF
Fast Patrol Craft PTF
b. River/Roadstead Craft
Mini-Armored Troop Carrier ATC
River Patrol Craft PBR
2. Amphibious Warfare Type Craft
All amphibious craft which have the organic capacity for amphibious assault and are intended to operate principally in coastal waters or may be carried aboard larger units.
a. Landing Craft
Landing Craft, Air Cushion LCAC
Landing Craft, Mechanized LCM
Landing Craft, Personnel, Large LCPL
Landing Craft, Utility LCU
Landing Craft, Vehicle, Personnel LCVP
Amphibious Warping Tug LWT
Side Loadable Warping Tug SLWT
b. Special Warfare Craft
Light Seal Support Craft LSSC
Medium Seal Support Craft MSSC
Swimmer Delivery Vehicle SDV
Special Warfare Craft, Light SWCL
Special Warfare Craft, Medium SWCM
Support Craft Category
A. Support Craft Classification
1. Service Type Craft
A grouping of navy-subordinated craft (including non-self-propelled) designed to provide general support to either combatant forces or shore-based establishment.
a. Dry Docks (Non-Self Propelled)
Large Auxiliary Floating Dry Dock AFDB
Small Auxiliary Floating Dry Dock AFDL
Medium Auxiliary Floating Dry Dock AFDM
Auxiliary Repair Dry Dock ARD
Medium Auxiliary Repair Dry Dock ARDM
Yard Floating Dry Dock YFD
b. Tugs (Self-propelled)
Large Harbor Tug YTB
Small Harbor Tug YTL
Medium Harbor Tug YTM
c. Tankers (Self-Propelled)
Fuel Oil Barge YO
Gasoline Barge YOG
Water Barge YW
d. Lighters and Barges
(1) Self-propelled
Causeway Section, powered CSP
Covered Lighter YF
Refrigerated Covered Lighter YFR
Harbor Utility Craft YFU
Garbage Lighter YG
(2) Non-self propelled
Causeway Section, Non-powered CSNP
Open Lighter YC
Car Float YCF
Cargo Semi-Submersible Barge YCSS
Aircraft Transportation Lighter YCV
Covered Lighter YFN
Large Covered Lighter YFNB
Lighter (Special Purpose) YFNX
Refrigerated Covered Lighter YFRN
Range Tender YFRT
Garbage Lighter YGN
Fuel Oil Barge YON
Gasoline Barge YOGN
Oil Storage Barge YOS
Sludge Removal Barge YSR
Water Barge YWN
e. Other Craft
(1) Self-propelled
Deep Submergence Rescue Vehicle DSRV
Deep Submergence Vehicle DSV
Submersible Research Vehicle NR
Miscellaneous Auxiliary Service Craft YAG
Ferry boat or Launch YFB
Dredge YM
Patrol Craft, Training YP
Seaplane Wrecking Derrick YSD
Torpedo Trials Craft YTT
(2) Non self-propelled
Barracks Craft APL
Floating Crane YD
Diving Tender YDT
Dry Dock Companion Craft YFND
Floating Power Barge YFP
Salvage Lift Craft, Heavy YHLC
Salvage Lift Craft, Light YLC
Dredge YMN
Gate Craft YNG
Floating Pile Driver YPD
Floating Workshop YR
Repair and Berthing Barge YRB
Repair, Berthing and Messing Barge YRBM
Floating Dry Dock Workshop (Hull) YRDH
Floating Dry Dock Workshop (Machine) YRDM
Radiological Repair Barge YRR
Salvage Craft Tender YRST

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Page last modified: 07-07-2011 13:00:24 ZULU