| Navy | The US Navy |
| Type | Patrol craft |
| Class | PC-461 |
| Pennant | PC-566 |
| Built by | Brown Shipbuilding Co. (Houston, Texas, U.S.A.) |
| Ordered | 1 Apr 1941 |
| Laid down | 14 Aug 1941 |
| Launched | 21 Mar 1942 |
| Commissioned | 15 Jun 1942 |
| End service | 8 Jan 1947 |
| History | Decommissioned on 8 January 1947 |
Commands listed for USS PC-566 (PC-566)
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 | Lt. Herbert Gordon Claudius, USNR | 15 Jun 1942 | Mid/late42 |
| 2 | Lt. Cmdr. Malcolm Whelen Greenough, USNR | Mid/late42 | Late 1942 |
| 3 | Philip Andrew Walker, USNR | Late 1942 | Early 1943 |
| 4 | Dudley S. Knox, USNR | Early 1943 | 1 Jul 1943 |
| 5 | Peter J Brennan, Jr., USNR | 1 Jul 1943 | 23 Sep 1943 |
| 6 | Lt. Grant Cowherd, USNR | 23 Sep 1943 | Early 1944 |
| 7 | Reed Whitney, USNR | Early 1944 | Mid 1944 |
| 8 | C W Stein, USNR | Mid 1944 | Mid/late45 |
| 9 | J F Effinger, USNR | Mid/late45 | Late 1945 |
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Notable events involving PC-566 include:
30 Jul 1942
German U-boat U-166 was sunk in the Gulf of Mexico south-east of New Orleans, in position 28°40'N, 88°30'W, by depth charges from the US patrol vessel USS PC-566.
USS PC-566 also picks up survivors from the American passenger ship Robert E. Lee that was U-166 last victim.