| Navy | The US Navy |
| Type | Motor torpedo boat |
| Class | ELCO 80' |
| Pennant | |
| Built by | Electric Launch Company Ltd. (Elco), (Bayonne, New Jersey, U.S.A.) |
| Ordered | 17 Jan 1942 |
| Laid down | 25 Apr 1942 |
| Launched | 25 Jul 1942 |
| Commissioned | 27 Aug 1942 |
| Lost | 27 Mar 1944 |
| Loss position | 5° 17'S, 151° 01'E |
| History | Mistakenly sunk by Australian aircraft at Bangula Bay, Bismarck Archipelago in position 05º17'S, 151º01'E. |
We don't have any commands listed for USS PT 121
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Notable events involving PT 121 include:
Crew contact Please check out this posting on our Allied warships forum.