USS Cobia

USS Cobia, a Gato-class submarine moored on the Lake Michigan waterfront at Manitowoc, stands as a preserved example of late–World War II U.S. undersea engineering. Laid down in 1943 at Electric Boat in Groton and commissioned in March 1944, Cobia went on to complete six war patrols in the Pacific. Several of those patrols were officially rated successful, and the boat earned four battle stars and a later designation as a National Historic Landmark. The submarine’s record includes sinking Japanese freighters and transports, engaging in gunnery duels with small armed vessels, and conducting lifeguard duty and rescue work for downed aircrews and shipwrecked survivors. Interpreted today as a museum ship affiliated with the Wisconsin Maritime Museum, Cobia offers a compact cross-section of fleet-boat design: pressure hull, conning tower, and weapons systems preserved in the constrained space dictated by wartime production and operational demands. Set in an industrial Great Lakes port that once contributed directly to U.S. submarine construction, the vessel’s presence connects local manufacturing history with the broader evolution of American undersea warfare.