AAA Auxiliary Anti-Aircraft Vessel
AB Crane Ship
AC Collier
ACM Auxiliary Minelayer
ACV Auxiliary Aircraft Carrier (CVE)
AD Destroyer Tender
AE Ammunition Ship
AF Store Ship
AFD Mobile Floating Crane
AG Misc. Auxiliary
AGC Amphibious Force Command Ship
AGP Motor Torpedo Boat Tender
AGS Survey Ship
AH Hospital Ship
AK Cargo Ship
AKA Attack Cargo Ship
AKD Deephold Cargo Ship
AKE Ammunition Transport
AKF Refrigerator Cargo Ship
AKN Net Cargo Ship
AKS General Stores Ship
AKV Cargo Ship & Aircraft Ferry
AM Minesweeper (Minesweeping sloops)
AMc Coastal Minesweeper
AMA Auxiliary Minesweeper - trawlers and sloops
AN Net-Laying Ship
AO Tanker (Oiler)
AOG Tanker (Gasoline)
AP Transport
APA Attack Transport
APB Self-Propelled Barracks Ship
APc Coastal Transport
APH Evacuation Transport
APL Barracks Ship
APM Mechanized Artillery Transport
APS Transport Submarine
APV Transport & Aircraft Ferry
AR Repair Ship
ARB Battle-Damage Repair Ship
ARD Auxiliary Repair Dock (Floating Repair Dock)
ARG Repair Ship, Internal Combustion Engine
ARH Repair Ship, Heavy Hull
ARL Repair Ship, Landing Craft
ARS Salvage Ship
ARS(T) Salvage Vessel Tender
ARV Aircraft Repair Ship
ARV(A) Aircraft Repair Ship (Aircraft)
ARV(E) Aircraft Repair Ship (Engines)
AS Submarine Tender
ASR Submarine Rescue Vessel
AT Tug
ATA Auxiliary Tug
ATF Ocean-Going Tug, Fleet
ATO Ocean-Going Tug, old
ATR Rescue Tug
AV Seaplane Tender
AVB Advanced Aviation Base Ship
AVC Catapult Tender
AVD Seaplane Tender (Destroyer)
AVG Escort Vessel (Aircraft) = CVE
AVP Small Seaplane Tender
AVS Aviation Supply Ship
AVT Auxiliary Aircraft Transport Ship
AW Distilling Ship / Water Tanker
AZ Lighter-Than-Air Aircraft Tender
BB Battleship
BC Battle Cruiser
BM Monitor
CA Heavy Cruiser
CAA Antiaircraft Cruiser
CL Light Cruiser
CM Minelayer
CMc Coastal Minelayer
CV Aircraft Carrier (Fleet)
CVE Aircraft Carrier (Escort)
CVL Aircraft Carrier (Light)
CVS Aircraft Carrier (Seaplane)
CX Armed Mechant Cruiser
DAA Antiaircraft Destroyer
DD Destroyer
DE Escort Destroyer
IX Unclassified, miscellaneous
SM Submarine (Mine Laying)
SS Submarine
Patrol Craft and Coastal Forces
PA Motor Antisubmarine Vessel
PAC Auxiliary Antisubmarine Trawler
PC Corvette
PE Patrol Escort - drifters, trawlers, cutters
PF Frigate
PG Gun Boat
PML Motor Launch
PMS Motor Mine Sweeper
PR River Gunboat
PS Patrol Sloop
PT Motor Torpedo Boat
PTC Motor Torpedo Boat, Submarine Chaser
PY Small Converted Yacht
PYc Converted Coastal Yacht

Yard and District Craft
YA Ash Lighter
YAG District Auxiliary, Miscellaneous
YC Open Lighter
YCK Open Cargo Lighter
YCV Aircraft Transportation Lighter
YD Floating Derrick
YDD District Derrick, Floating
YDG Degaussing Vessel
YDT Diving Tender
YE Ammunition Lighter
YF Covered Lighter
YFB Ferry Boat or Launch
YFD Floating Dry Dock (Non-Self-Propelled)
YFT Torpedo Transportation Lighter
YG Garbage Lighter
YH Ambulance Boat
YHB House Boat
YHT Heating Scow
YLA Open Landing Lighter
YM Dredge
YMT Motor Tug
YN Net Tenders (Gate Craft)
YNg Gate Vessel (Non-Self-Propelled)
YNT Net Tenders (Tug Class)
YO Fuel Oil Barge (Self-Propelled)
YOG Gasoline Barge
YOS Oil Storage Barge
YP District Patrol Vessel ("Yippies")
YPD Pile Driver (Floating)
YPK Pontoon Storage Barge
YR Floating Workshop (Non-Self-Propelled)
YRD(H) Floating Workshop, Drydock (Hull)
YRD(M) Floating Workshop, Drydock (Machinery)
YS Stevadoring Barge
YSD Seaplane Wrecking Derrick
YSP Salvage Pontoon
YSR Sludge Removal Barge
YT Harbor Tug
YTB Harbor Tug, Big
YTL Harbor Tug, Little
YTM Harbor Tug, MeXXXm
YTR Harbor Tug, Small
YTT Torpedo Testing Barges
YW Water Barge (Self-Propelled)

Merchant Marine
XAK Cargo Ship, Merchant Marine
XAO Tanker, Merchant Marine
XAV Aircraft Carrier, Merchant Marine ("MAC's")
Landing Craft Types
LB Landing Barge
LBE Landing Barge, Emergency Repair
LBF Landing Barge, Flak
LBG Landing Barge, Gun
LBK Landing Brage, Kitchen
LBO Landing Barge, Oiler
LBR Landing Barge, Ramped
LBV Landing Barge, Vehicle
LBW Landing Barge, Water
LCA Landing Craft, Assault
LCA(FT) Landing Craft, Assault, Flame thrower
LCA(HR) Landing Craft, Assault, Hedgerow
LCA(OC) Landing Craft, Assault, Obstacle Clearance
LCC Landing Craft, Control
LCCS Landing Craft, Casualty Clearing Station
LCE Landing Craft, Emergency Repair
LCF Landing Craft, Flak
LCF(L) Landing Craft, Flak (Large)
LCG(L) Landing Craft, Gun (Large)
LCG(M) Landing Craft, Gun (MeXXXm)
LCH Landing Craft, Hospital or Headquarters
LCI Landing Craft, Infantry
LCI(L) Landing Craft, Infantry (Large)
LCI(Press) Landing Craft, Infantry (Press)
LCI(S) Landing Craft, Infantry (Small)
LCI(Smoke) Landing Craft, Infantry (Smoke)
LCI(Stores) Landing Craft, Infantry (Stores)
LCM Landing Craft, Mechanized
LCM(Smoke) Landing Craft, Mechanized (Smoke)
LCN Landing Craft, Navigation Leader
LCP Landing Craft, Large
LCP(L) Landing Craft, Personnel (Large)
LCP(M) Landing Craft, Personnel (MeXXXm)
LCP(R) Landing Craft, Personnel (Ramp)
LCP(S) Landing Craft, Personnel, Small
LCP(Sy) Landing Craft, Personnel, (Supply)
LCQ Landing Craft, Administration
LCR(L) Landing Craft, Rubber (Large)
LCS(L) Landing Craft, Support (Large)
LCS(M) Landing Craft, Support (MeXXXm)
LCS(R) Landing Craft, Support (Rocket)
LCT Landing Craft, Tank
LCT(CB) Landing Craft, Tank (Concrete Breaker)
LCT(E) Landing Craft, Tank (Emergency Repair)
LCT(H) Landing Craft, Tank (Hospital)
LCT(Loco) Landing Craft, Tank (Locomotive)
LCT(R) Landing Craft, Tank (Rocket)
LCT(SV) Landing Craft, Tank (Salvage)
LCU Landing Craft, Utility
LCV Landing Craft, Vehicle
LCV(M/S) Landing Craft, Vehicle (Minesweeping)
LCVP Landing Craft, Vehicle & Personnel
LCW Landing Craft, Air Propelled
LSC Landing Ship, Carrier
LSD Landing Ship, Dock
LSE Landing Ship, Emergency Repair
LSF Landing Ship, Fighter Direction
LSG Landing Ship, Gantry
LSH(L) Landing Ship, Headquarters (Large)
LSH(S) Landing Ship, Headquarters (Small)
LSI(H) Landing Ship, Infantry (Hand Hoisting)
LSI(L) Landing Ship, Infantry (Large)
LSI(M) Landing Ship, Infantry (MeXXXm)
LSI(S) Landing Ship, Infantry (Small)
LSS Landing Ship, Stern Chute
LST Landing Ship, Tank

不错受教了