CountryUnited States
Ship ClassTambor-class Submarine
Hull NumberSS-200


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Submarine Thresher (SS-200) Interactive Map

Thresher Operational Timeline

30 Dec 1941 American submarine Thresher departed Pearl Harbor, US Territory of Hawaii for the Marshall Islands and the Mariana Islands region.
10 Apr 1942 USS Thresher sank a Japanese merchant ship 6 miles north of Oshima Island, Japan.
9 Jul 1942 USS Thresher sank Japanese torpedo recovery vessel Shinsho Maru off Kwajalein, Marshall Islands.
16 Jul 1944 Submarine USS Thresher (Lieutenant Commander D. C. MacMillan) fired 10 torpedoes toward Japanese convoy Tama 21C, en route from Takao in Taiwan to Manila in the Philippine Islands, sinking 2,838-ton Japanese transport Shozen Maru and fatally damaging 4,916-ton Japanese merchant ship Sainei Maru. USS Thresher's records claimed 6 hits and claimed the sinking of two transports and one destroyer.

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