USS Cavalla, Museum submarine in Galveston, United States.
The USS Cavalla is a Gato-class submarine on display at Seawolf Park in Galveston, Texas as part of a naval museum. The vessel stretches about 311 feet (95 meters) and contains its original torpedo rooms, crew berthing areas, control room, and engine compartments for visitors to explore.
Built at Electric Boat in Groton, Connecticut, Cavalla was laid down on 4 March 1943, launched on 14 November 1943 and commissioned on 29 February 1944 under Lieutenant Commander Herman J. Kossler. On 19 June 1944, during her first patrol, she hit the carrier Shōkaku with torpedoes while it was recovering aircraft; the carrier sank, earning Cavalla a Presidential Unit Citation. Later patrols sank the destroyer Shimotsuki and two net tenders, and in May 1945 she escorted the damaged HMS Terrapin to Fremantle.
The submarine functions as a space where visitors experience how crews lived and worked together in confined spaces during their missions. The preserved interior reveals the tight conditions and routines that shaped daily life aboard these vessels.
Access to the submarine is available through guided or self-guided tours that allow visitors to navigate the tight passageways and explore historical spaces. The vessel sits on a waterfront park that is easy to reach and operates year-round for visitors.
Cavalla's sail is a postwar refit: the 1953 hunter-killer conversion added a curved BQR-4 sonar housing to the bow, removed two torpedo tubes and rebuilt the original conning tower into the sail seen today. The white "244" on the tower marks her hull number.
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