USS Thornback (SS-418)
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| Construction started | April 5, 1944 |
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| Launched | July 7, 1944 |
| Builder | Portsmouth Naval Shipyard |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2127506 |
About USS Thornback (SS-418)
USS Thornback (SS-418), a Tench-class submarine, was the only ship of the United States Navy to be named for the thornback, a slender member of the shark family with a long pointed snout and a sharp spine at the end of each dorsal fin, native to northern Atlantic waters ranging from the temperate to the Arctic.
USS Thornback (SS-418) Photos
