This footage from the 1940s shows U.S. Navy reservists training and performing other activities, like swimming, marching, and ...

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.

More than 70 years later, Lynda Laird photographed the remnants of Normandy's bunkers using infrared film, a medium used by the military in WW2 to detect camouflage by exposing a visual spectrum ...