The Gato class of submarines was built for the United States Navy and launched in 1941–1943. Named after the lead vessel of the class, USS Gato, they were the first mass-produced U.S. submarine class
USS Gato off Mare Island Navy Yard, on 29 November 1944
General Motors Cleveland Model 16-248 diesel engine
Fairbanks-Morse Model 38D8+1⁄8 diesel engine
Periscope photograph of Japanese merchant ship sinking
Tench-class submarines were a type of submarines built for the United States Navy between 1944 and 1951. They were an improvement over the preceding Gato and Balao classes, only about 35 to 40 tons la
Gato-class submarine
…the class, USS Gato, they were the first mass-produced U.S. submarine class of World War II. The Gato class, along with the closely related Balao and Tench classes that followed, accounted for most of the Navy's World War II submarines; they destroyed much of the Japanese merchant marine and a large portion of the…
USS Toro shown post-war, after removal of her deck guns, c. 1947.
Taiwanese Hai Shih ex-Cutlass still in service
Turkish TCG Uluçalireis moored at the Rahmi M. Koç Museum on the Golden Horn in Istanbul