Submarine Thresher (SS-200)

Thresher

Country	United States
Ship Class	Tambor-class Submarine
Hull Number	SS-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	Patrolling the entry/exit lanes to Tokyo Bay, Japan, submarine USS Thresher attacked the 3,000-ton freighter Sado Maru with three torpedoes. One torpedo hit the freighter and broke the ship's back. Sado Maru sank quickly.
9 Jul 1942	Submarine USS Thresher sank Japanese torpedo recovery vessel Shinsho Maru off Kwajalein, Marshall Islands. Following the attack, Thresher endured a mild depth charge attack but was hooked by a Japanese ship drgging a grappling hook. Despite the submarine's diving controls configured for diving, Thresher was being hoisted up toward the surface. After ten minutes of full speed and hard right rudder, Thresher finally spun off the hook and evaded.
16 Jul 1944	West of Luzon in the Philippines, submarine USS Piranha made contact with the 26-ship Japanese Convoy TAMA-21C southbound from Takao in Taiwan to Manila in the Philippines. Piranha torpedoed and sank the 6,000-ton troop ship Seattle Maru and then withstood a depth charge attack of over 100 charges. Piranha’s “Mickey Finns” wolfpack partners, Guardfish and Thresher, closed in on the convoy and launched a continuous attack that lasted into the following day and covered 100 miles of ocean. Thresher sank 2,800-ton transport ship Shozen Maru and 4,916-ton merchant ship Sainei Maru. Thresher also claimed sinking destroyer IJN Kusagaki but she was unscathed. Guardfish sank the 6,000-ton transport ship Mantai Maru and the 5,200-ton transport ship Jinzan Maru and later the 3,000-ton merchant ship Hiyama Maru. A total of 42 torpedoes were fired by the three submarines with 28 hits claimed.

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Thresher