Berthed at Nauticus, the Battleship Wisconsin is one of the largest and last battleships ever built by the U.S. Navy. USS Wisconsin (BB-64) is an Iowa-class battleship built for the United States Navy in the 1940s and is currently a museum ship. Completed in 1944, the ship was assigned to the Pacific Theater during World War II, where she participated in the Philippines campaign and the Battles of Iwo Jima and Okinawa.