At the Wisconsin Maritime Museum in Manitowoc, you can descend a steep staircase into the USS Cobia, a US Navy submarine that sank 13 ships and earned four battle stars in World War II.

In ww1, the Germans decimate the British supply lines with their submarine fleet. Other countries quickly understood the ...

Even when compared to some of the legendary submarines of World War II around this time, such as the 287-foot-long USS Tang, ...