| Navy | The US Navy |
| Type | Patrol craft |
| Class | PC-461 |
| Pennant | PGM-21 |
| Built by | Consolidated Shipbuilding Corp. (Morris Heights, New York, U.S.A.) |
| Ordered | 24 Jul 1943 |
| Laid down | 11 Apr 1944 |
| Launched | 25 May 1944 |
| Commissioned | 22 Nov 1944 |
| End service | |
| History | |
| Former name | PC-1552 |
We don't have any commands listed for USS PGM-21 (PGM-21)
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