Now view this! U.S. WWII tanks and tank destroyers had one or more machine guns mounted for use against unarmored targets and aircraft. The M2HB (M2, heavy barrel, also known as the Ma Deuce) .50 machine gun was allocated for use against aircraft. It was often mounted at the rear of the turret, forcing the crew to face rearward or even dismount and fire from the rear deck of the tank (assuming the turret was facing forward). In the case of the M10 Gun Motor Carriage tank destroyer, it was mounte