LKA Amphibious Cargo Ship 兩棲貨船
LPD Amphibious Transport Dock Ship 兩棲船塢運輸艦
LPH Amphibious Assault Helicopter Carrier 兩棲直升機攻擊艦
LSD Dock Landing Ship 船塢登陸艦
LSM Medium Landing Ship 中型登陸艦
LSS Landing Support Ship 登陸支援艦
LSSL Small Landing Support Ship 小型登陸支援艦
LST Tank Landing Ship 坦克登陸艦
LST/ML Minelaying Tank Landing Ship 布雷/坦克登陸艦
LSU Utility Landing Ship 通用登陸艦
LSV Vehicle Landing Ship 車輛登陸艦
Littoral Warfare Ships 沿岸作戰艦艇
PAC Air Cushion Patrol Craft 氣墊巡邏艇
PB Patrol Boat 巡邏艇
PBL Amphibious Assault Patrol Boat 兩棲突擊艇
PBM Riverine Monitor 內河炮艦
PC Coastal Patrol Craft/Submarine Chaser (173 ft) 沿海巡邏艇/獵潛艇（173英尺）
PCC Submarine Chaser (control) 獵潛艇（指揮）
PCE Submarine Chaser (Escort) 獵潛艇（護航）
PCEC Escort (control) 護衛艇（指揮）
PCE(R) Escort (Rescue) 護衛艇（後備）
PCI Fast Coastal Interceptor 沿海快速截擊艇
PCS Submarine Chaser (136 ft) 獵潛艇（136英尺）
PCSC Submarine Chaser (control) 獵潛艇（指揮）
PG Patrol Gunboat 巡邏炮艇
PGM Missile Gunboat 導彈艇
PGH Helicopter Gunboat 直升機炮艇
PH Hydrofoil Gunboat 水翼炮艇
PHM Missile Hydrofoil 水翼導彈艇
PHT Hydrofoil Torpedo Boat 水翼魚雷艇
PL High Endurance Cutters 大型巡邏艦
PM Medium Endurance Cutters 中型巡邏艦
PR Radar Picket Conversion 雷達哨艇
PSOC Special Operations Craft 特種作戰艇
PT Torpedo Boat 魚雷艇
PTC Motor Boat Submarine Chasers 摩托獵潛艇
PW Wing-in-Ground-Effect Patrol Craft 地效飛行艇
PY Yacht 帆船
SC Submarine Chaser (110 ft) 獵潛艇（110英尺）
SCC Submarine Chaser (control) 獵潛艇（指揮）
Mine Warfare Ships 水雷戰艦艇
ACM Auxiliary Minelayer 輔助布雷艦
AM Minesweeper 掃雷艦
AMc Coastal Minesweeper 沿岸掃雷艦
AMc(U) Coastal Minesweeper (underwater locator) 沿岸掃雷艦（水下定位）
CM Minelayer 布雷艦
CMc Coastal Minelayer沿岸布雷艦
DM Light Minelayer (converted destroyer) 輕型布雷艦（改裝驅逐艦）
DMS High Speed Minesweeper (converted destroyer) 高速布雷艦（改裝驅逐艦）
MCAC Air Cushion Mine Countermeasures Craft 氣墊反水雷艇
MCD Mine Countermeasures Drone 遙控反水雷器
MCM Mine Countermeasures Ship 反水雷艦
MCS Mine Countermeasures Support Ship 反水雷支援艦
MCT Mine Countermeasures Conversion Trainer 反水雷改裝訓練艦
MHC Coastal Minehunter 沿岸獵雷艇 MHI Inshore Minehunter 近岸獵雷艇
ML Minelayer 布雷艇
MSA Auxiliary Minesweeper 輔助掃雷艇
MSAC Air Cushion Minesweeper 氣墊掃雷艇
MSC Coastal Minesweeper 沿岸掃雷艇
MSD Drone Minesweeper 遙控掃雷艇
MSH Harbor Minesweeper 港灣掃雷艇
MSI Inshore Minesweeper 近岸掃雷艇
MSO Ocean Minesweeper 遠洋掃雷艦
MSR River Minesweeper 江河掃雷艇
Auxiliary Combat Supply Ships 戰鬥補給輔助船
AD Support Tender 支援艦
ADC Dry Cargo Replenishment Ship 幹貨補給艦
AE Ammunition Ship 軍火船
AFS Combat Stores Ship 戰鬥補給艦
AGC Amphibious Fleet Flagship 兩棲艦隊旗艦
AGF Fleet Flagship 艦隊旗艦
AGMR Communications Major Relay Ship 通訊中繼船
AGSS Experimental Submarine 試驗潛艇
AH Hospital Ship 醫院船
AHR Riverine Hospital Ship 內河醫院船
AKA Attack Cargo Ship 武裝貨船
APA Attack Personnel Transport Ship 武裝人員運輸船
AO Fleet Oiler 艦隊油船
AOE Fast Combat Support Ship 快速戰鬥支援艦
AOL Small Oiler 小型油船
AOR Replenishment Oiler 補給油船
AORL Small Replenishment Oiler 小型補給油船
AOT Transport Oiler 運油船
AR Repair Ship 修理艦
ARS Salvage Ship 救助船
AS Submarine Tender 潛艇供應艦
ASE Submarine Ammunition Ship 水中武器運輸艦
ASR Submarine Rescue Vessel 後備潛水船