| Navy | The US Navy |
| Type | Submarine chaser |
| Class | SC-497 |
| Pennant | SC-646 |
| Built by | Robinson Marine Construction. Co. (Benton Harbor, Michigan, U.S.A.) |
| Ordered | 30 Jul 1941 |
| Laid down | 23 Sep 1941 |
| Launched | 21 May 1942 |
| Commissioned | 1 Jul 1942 |
| End service | 26 May 1945 |
| History | Transferred to the USSR on 26 May 1945 |
We don't have any commands listed for USS SC-646 (SC-646)
You can help improve this page
Click here to Submit events/comments/updates for this vessel.
Please use this if you spot mistakes or want to improve this ships page.
Notable events involving SC-646 include:
10 Sep 1944
USS Dragonet (T/Cdr. J.H. Lewis, USN) departed Key West for the Panama Canal Zone.
She was to proceed to the following positions; A) 22°17'N, 84°20'W at 1254Q/11. B) 21°40'N, 85°20'W at 1559Q/11. C) 21°40'N, 83°30'W at 0104Q/12. D) 16°18'N, 80°45'W at 0146Q/13. E) 10°00'N, 80°45'W at 0651Q/14 F) 09°38'N, 79°55'W at 1100Q/14.
She was escorted by USS SC-646 (Ens. H.J. Ulrey, USNR) until point C.
15 Jan 1945
USS Lionfish (T/Lt.Cdr. E.D. Spruance, USN) and USS Bullhead (T/Cdr. W.T. Griffith, USN) arrived at Key West, Florida for services with the Fleet Sound School.
USS Lionfish departed for Port Everglades later the same day escorted by USS SC-646 (Lt.(jg). H.J. Ulrey, USNR) until USS SC-689 (Lt. E.F. Cotter, USCG) took over shortly before arrival at Port Everglades.