The USS Becuna submarine sank 3,888 tons of shipping and earned four battle stars in World War II. The sub underwent a Greater Underwater Propulsive Power 1-A modernization in 1951. Now a museum ...
The US Navy submarine is open to the public for tours at the Wisconsin Maritime Museum in Manitowoc. Visitors can walk through its torpedo rooms, control room, and bunks that held its crew of 80 men.