| Date |
Operator |
Ship |
Class and type |
Notes |
| March 2 |
Royal Navy |
Avenger (D14) |
Avenger-class escort carrier |
ex-Rio Hudson |
| March 2 |
Royal Navy |
Biter (D97) |
Avenger-class escort carrier |
ex-Rio Parana |
| March 3 |
United States Navy |
Charger (AVG-30) |
Charger-class escort carrier |
ex-Rio de la Plata |
| March 4 |
United States Navy |
Aaron Ward (DD-483) |
Gleaves-class destroyer |
under command of Commander Orville F. Gregor [1] |
| March 20 |
United States Navy |
South Dakota (BB-57) |
South Dakota-class battleship |
|
| March |
Royal Navy |
Maria |
Wreck dispersal vessel |
ex-German weather ship WBS 8 August Wriedt |
| April 30 |
United States Navy |
Indiana (BB-58) |
South Dakota-class battleship |
|
| May 1 |
Luftwaffe |
Bussard |
Bussard-class seaplane tender |
Completion date |
| May 12 |
United States Navy |
Marcasite (PY-28) |
Patrol yacht |
ex-Ramfis[2] |
| May 12 |
United States Navy |
Massachusetts (BB-59) |
South Dakota-class battleship |
|
| June 3 |
Royal Navy |
Invicta |
Landing Ship, Infantry |
ex-SS Invicta for Southern Railway, requisitioned on completion |
| June 15 |
United States Navy |
Copahee (CVE-12) |
Bogue-class escort carrier |
ex-Steel Architect |
| June 22 |
Royal Navy |
Anson (79) |
King George V-class battleship |
|
| July 1 |
Royal Navy |
Dasher (D37) |
Avenger-class escort carrier |
ex-Rio de Janeiro |
| August 9 |
Kriegsmarine |
Schnelles Geleitboot 1 |
Sans Souci-class sloop |
SG 1 |
| August 16 |
United States Navy |
Alabama (BB-60) |
South Dakota-class battleship |
|
| August 20 |
United States Navy |
Nassau (CVE-16) |
Bogue-class escort carrier |
|
| August 21 |
United States Navy |
Chenango (ACV-28) |
Sangamon-class escort carrier |
recommissioned after conversion |
| August 25 |
United States Navy |
Sangamon (ACV-26) |
Sangamon-class escort carrier |
recommissioned after conversion |
| August 29 |
Royal Navy |
Howe (32) |
King George V-class battleship |
|
| August 31 |
United States Navy |
Direct (AM-90) |
Adroit-class minesweeper |
|
| September 7 |
Kriegsmarine |
Schnelles Geleitboot 2 |
Sans Souci-class sloop |
SG 2 |
| September 15 |
United States Navy |
Altamaha (CVE-18) |
Bogue-class escort carrier |
|
| September 19 |
United States Navy |
Chenango (ACV-28) |
Sangamon-class escort carrier |
recommissioned after conversion |
| September 24 |
United States Navy |
Suwannee (ACV-27) |
Sangamon-class escort carrier |
recommissioned after conversion |
| September 26 |
United States Navy |
Bogue (CVE-9) |
Bogue-class escort carrier |
ex-Steel Advocate |
| September 30 |
Royal Navy |
Attacker (D02) |
Attacker-class escort carrier |
ex-USS Barnes, acquired through Lend-Lease |
| November 2 |
Kriegsmarine |
Schnelles Geleitboot 3 |
Sans Souci-class sloop |
SG 3 |
| November 8 |
United States Navy |
Card (CVE-11) |
Bogue-class escort carrier |
|
| November 15 |
Royal Navy |
Battler (D18) |
Attacker-class escort carrier |
ex-USS Altamaha, acquired through Lend-Lease |
| November 22 |
Luftwaffe |
Falke |
Bussard-class seaplane tender |
completion date |
| 12 December |
United States Navy |
Apache (ATF-67) |
Cherokee-class tugboat |
|
| December 21 |
Royal Navy |
Stalker (D91) |
Attacker-class escort carrier |
ex-USS Hamlin, acquired through Lend-Lease |
| December 10 |
United States Navy |
Core (CVE-13) |
Bogue-class escort carrier |
|
| December 31 |
United States Navy |
Essex (CV-9) |
Essex-class aircraft carrier |
|
| December |
Luftwaffe |
Boelcke |
Karl Meyer-class seaplane tender |
completion date |
| unknown date |
Kriegsmarine |
Kehdingen |
Weather ship |
WBS 6 |