| Date | Operator | Ship | Class and type | Notes |
|---|
| January 3 | United States Navy | USS Nehenta Bay | Casablanca-class escort carrier |
| January 11 | United States Navy | USS Hoggatt Bay | Casablanca-class escort carrier |
| January 17 | Royal Navy | HMS Rajah | Attacker-class escort carrier | Ex-USS Prince acquired through Lend-Lease |
| January 18 | United States Navy | USS Kadashan Bay | Casablanca-class escort carrier |
| January 26 | United States Navy | USS Marcus Island | Casablanca-class escort carrier |
| January 31 | United States Navy | USS Franklin | Essex-class aircraft carrier |
| January 31 | Royal Navy | HMS Trouncer | Attacker-class escort carrier | Ex-USS Perdido acquired through Lend-Lease |
| February 3 | United States Navy | USS Savo Island | Casablanca-class escort carrier |
| February 5 | Royal Navy | HMS Puncher | Bogue-class escort carrier | Ex-USS Willapa crewed by the Royal Canadian Navy |
| February 11 | United States Navy | USS Ommaney Bay | Casablanca-class escort carrier |
| February 18 | United States Navy | USS Petrof Bay | Casablanca-class escort carrier |
| February 18 | Royal Navy | HMS Reaper | Attacker-class escort carrier | Ex-USS Winjah acquired through Lend-Lease |
| February 26 | United States Navy | USS Rudyerd Bay | Casablanca-class escort carrier |
| February 26 | United States Coast Guard | USCGC Staten Island | Wind-class icebreaker |
| March 1 | United States Navy | USS Saginaw Bay | Casablanca-class escort carrier |
| March 9 | United States Navy | USS Sargent Bay | Casablanca-class escort carrier |
| March 15 | United States Navy | USS Shamrock Bay | Casablanca-class escort carrier |
| March 21 | United States Navy | USS Shipley Bay | Casablanca-class escort carrier |
| March 28 | United States Navy | USS Sitkoh Bay | Casablanca-class escort carrier |
| April 4 | United States Navy | USS Steamer Bay | Casablanca-class escort carrier |
| April 8 | United States Navy | USS Cape Esperance | Casablanca-class escort carrier |
| April 15 | United States Navy | USS Hancock | Essex-class aircraft carrier |
| April 15 | United States Navy | USS Takanis Bay | Casablanca-class escort carrier |
| April 16 | United States Navy | USS Wisconsin | Iowa-class battleship |
| April 18 | United States Navy | USS Abarenda | floating storage tanker | Ex-Acme, commissioned in New Caledonia under command of Lt. Commander Benjamin F. Langland, USCGR [1] |
| April 21 | United States Navy | USS Thetis Bay | Casablanca-class escort carrier |
| April 27 | United States Navy | USS Makassar Strait | Casablanca-class escort carrier |
| May 3 | United States Navy | USS Windham Bay | Casablanca-class escort carrier |
| May 8 | United States Navy | USS Ticonderoga | Essex-class aircraft carrier |
| May 9 | United States Navy | USS Makin Island | Casablanca-class escort carrier |
| May 14 | United States Navy | USS Lunga Point | Casablanca-class escort carrier |
| May 20 | United States Navy | USS Bismarck Sea | Casablanca-class escort carrier |
| May 26 | United States Navy | USS Salamaua | Casablanca-class escort carrier |
| June 1 | United States Navy | USS Hollandia | Casablanca-class escort carrier |
| June 3 | United States Coast Guard | USCGC Eastwind | Wind-class icebreaker |
| June 7 | United States Navy | USS Kwajalein | Casablanca-class escort carrier |
| June 11 | United States Navy | USS Missouri | Iowa-class battleship |
| June 13 | United States Navy | USS Admiralty Islands | Casablanca-class escort carrier |
| June 18 | United States Navy | USS Bougainville | Casablanca-class escort carrier |
| June 24 | United States Navy | USS Matanikau | Casablanca-class escort carrier |
| June 30 | United States Navy | USS Attu | Casablanca-class escort carrier |
| July 6 | United States Navy | USS Roi | Casablanca-class escort carrier |
| July 8 | United States Navy | USS Munda | Casablanca-class escort carrier |
| July 15 | United States Navy | USCGC Southwind | Wind-class icebreaker |
| July 16 | Soviet Navy | Jivoochyi | Wickes-class destroyer | Ex-HMS Richmond and USS Fairfax |
| August 6 | United States Navy | USS Bennington | Essex-class aircraft carrier |
| September 15 | United States Navy | USS Shangri-La | Essex-class aircraft carrier |
| September 15 | Royal Navy | HMS Vivid | British V-class submarine |
| September 18 | United States Coast Guard | USCGC Westwind | Wind-class icebreaker |
| October 9 | United States Navy | USS Randolph | Essex-class aircraft carrier |
| October 28 | United States Navy | USS Aaron Ward | Robert H. Smith-class destroyer minelayer | Under command of Commander William H. Sanders Jr. [2] |
| November 26 | United States Navy | USS Bon Homme Richard | Essex-class aircraft carrier |
| November 27 | United States Navy | USS Commencement Bay | Commencement Bay-class escort carrier |
| December 20 | United States Coast Guard | USCGC Mackinaw | Great Lakes icebreaker |
| December 30 | United States Navy | USS Block Island | Commencement Bay-class escort carrier |