American M2A2 or M2A3 Light Tanks during training exercises. The M2A2 was America’s first (and only) twin turret tank, introduced in 1935, weighing around 9 tons and crewed by four men, it was armed with twin .30 cal Browning machine guns. Though its firepower was modest, the M2A2 represented a crucial step in U.S. tank development during the interwar years. Built in limited numbers, it was never intended for front line combat but instead served as a training and experimental vehicle – not dissi