| Navy | The US Navy |
| Type | Submarine chaser |
| Class | SC-497 |
| Pennant | SC-503 |
| Built by | Rice Brothers Corp. (East Boothbay, Maine, U.S.A.) |
| Ordered | 14 Jan 1941 |
| Laid down | 30 Jan 1941 |
| Launched | 14 Mar 1942 |
| Commissioned | 24 Apr 1942 |
| End service | 4 Nov 1944 |
| History | Transferred to France on 4 November 1944 being renamed CH-112 |
Commands listed for USS SC-503 (SC-503)
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. Malcolm Whelen Greenough, USNR | 24 Apr 1942 | Mid 1942 |
| 2 | Lt.(jg) Charles E W Brooks, USNR | Mid 1942 | Late 1942 |
| 3 | Ens. William C Jennings, USNR | Late 1942 | Mid 1943 |
| 4 | C H Johnson, USNR | Mid 1943 | Mid/late43 |
| 5 | W R T Crolius, USNR | Mid/late43 | 8 May 1944 |
| 6 | R L Yoken, USNR | 8 May 1944 | 4 Nov 1944 |
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