| Navy | The US Navy |
| Type | Patrol craft |
| Class | PC-461 |
| Pennant | PC-577 |
| Built by | Dravo Corp. (Pittsburgh, Pennsylvania, U.S.A.) |
| Ordered | 1 Apr 1941 |
| Laid down | 6 May 1942 |
| Launched | 25 Jul 1942 |
| Commissioned | 15 Oct 1942 |
| End service | |
| History | Sunk during Chemical Warfare tests by the US Army on 12 November 1948 |
Commands listed for USS PC-577 (PC-577)
Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.
| Commander | From | To | |
| 1 | Donald M Kerr, USNR | 15 Oct 1942 | Early 1943 |
| 2 | Joseph Peter Farley, USNR | Early 1943 | Mid 1943 |
| 3 | E M Foltz, USNR | Mid 1943 | Mid/late44 |
| 4 | W B Sanderson, USNR | Mid/late44 | Mid 1945 |
| 5 | Thomas C Roberts, USNR | Mid 1945 | 21 Dec 1945 |
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Notable events involving PC-577 include:
9 Jan 1943
USS PC-577 picks up 46 survivors from the American merchant Birmingham City that was torpedoed and sunk by German U-boat U-124 about 50 nautical miles north of Paramaribo, Suriname in position 07°23'N, 55°48'W.
PC-577 also picks up 24 survivors from the American tanker Broad Arrow that also was torpedoed and sunk by German U-boat U-124 about 50 nautical miles north of Paramaribo, Suriname in position 07°35'N, 55°45'W.
USS PC-577 picks up survivors from the American merchants Collingsworth (34 survivors) and Minotour (46 survivors) that were torpedoed and sunk by German U-boat U-124 about 50 nautical miles north of Paramaribo, Suriname in position 07°12'N, 55°37'W.