| NOMENCLATURE | FY 39-41 | FY 1942 | FY 1943 | FY 44-45 |
| AD Destroyer Tender | 15, 17—19 | 22-25 | 26-29 | |
| AE Ammunition Ship | 8-9 | 13 | ||
| AG Miscellaneous Auxiliary | 51-65, 88-89 | |||
| AKA Cargo Ship, Attack | 21-52 | |||
| AM Minesweeper | 55—65, 82—131 | 136—313, 325—59 | 351—90 | 391-420 |
| AMC Minesweeper, Coastal | 36—55, 61-110 | 150—99 | ||
| AN Net Laying Ship | 1-4 | |||
| AO Oiler | 51-64 | 97-109 | ||
| AOG Gasoline Tanker | 1-5 | 6—11 | 48—59, 62-75 | |
| APA Transport, Attack | 1, 11 | 57—88 | 187—203, 226-35 | |
| APB Barracks Ship, Self—Propelled | 35-40 | |||
| APC Transport, Coastal, Small | 51-115 | |||
| APM Transport, Mechanized Artillery (later LSD) | 1—18 | |||
| APR Transport, Rescue | 1-11 | |||
| AR Repair Ship | 5-8 | 13-16 | ||
| ARS Salvage Vessel | 5-9 | 13-17, 19—29 | 38—49 | |
| AS Submarine Tender | 11-12, 15—19 | 23 | 27—30 | |
| ASR Sub Rescue Vessel | 7—11 | 13—18 | ||
| AT Oceangoing Tug | 64-76 | 81-127 | 148-65, 219-38 | |
| ATR Ocean Tug, Rescue | 1—40 | 50—89, 91-140 | ||
| AV Seaplane Tender | 5, 7, 11—13 | 14—17 | 18-20 | |
| AVC Catapult Lighter | 1 | |||
| AVP Seaplane Tender, Small | 10-13, 21—32 | 33—67 | ||
| BAM British AM | 1-32 | |||
| BAPM British APM | 1-7 | |||
| BARS British ARS | 1—10 | |||
| BAT British AT | 1-14 | |||
| BB Battleship | 57-71 | |||
| BDE British DE | 1-50 | |||
| BPT British PT | 21-52 | 53-68 | ||
| BYMS British YMS | 1-30 | 31-80 | ||
| CA/CL Cruiser, Heavy/Light | 51-100 | 101-02 | 103—38 | 139-59 |
| CB Cruiser, Large | 1-6 | |||
| CM Mine Layer | 5—7 | |||
| CV Aircraft Carrier | 8-19 | 20—21 | 31-44 | 45—57 |
| CVE Aircraft Carrier, Escort | 52-54 | 55-119 | 120-39 | |
| DD Destroyer | 429-648 | 649-65 | 666—808 | 809-926 |
| DE Escort Vessel | 51-300 | 301-800 | 801—1005 | |
| LCIL Landing Craft Infantry, Large | 1-542 | 543—1139 | ||
| LCSL Landing Craft Support, Large | 1-130 | |||
| LCT Landing Craft, Tank | 1—500 | 501-621 | 622-1465 | |
| LSD Landing Ship, Dock(See APM, BAPM) | 16-27 | |||
| LSM Landing Ship, Medium | 1-558 | |||
| LST Landing Ship, Tank | 1—300 | 301-510 | 511-1155 | |
| PC/SC/PCS Submarine Chaser 173/110/156' & PCE, Escort 180' | 449-53, 461-508, 511—22, 524-675 | 676—825, 827—1265, 1466-73 | 921-60(2), 1266—1465, 1474-1585 | |
| PF Frigate | 3-102 | |||
| PG Gunboat | 62-84, 86—110 | |||
| PT Motor Torpedo Boat | 1—68, 71—102 | 103—258, 368—71 | 259-367, 384-545 | 565—808 |
| PTC Motor Boat Sub Chaser | 1-12 | |||
| RPT Russian PT | 1-30 | |||
| SS Submarine | 198-284 | 285—434 | 435-562 | |
| YMS Motor Mine Sweeper | 1-134 | 135-409 | 410-45 | |
| YN Net Tender | 1-32 | 57-96 | 97—132 |