Tests taken out on the British-American Mark VIII Heavy Tank in 1918 during WW1 by the US Army. A joint Anglo-American effort was undertaken to create a single heavy tank with fewer shortcomings of its predecessors that could be supplied to the allied forces of America, UK and Canada, built by the UK company North British Locomotive Company and the US company Rock Island Arsenal | Army Tanks

Now view this! U.S. companies in World War II were fully behind the war effort, innovating and producing at a record level. Typewriter factories switched to producing machine guns, and auto factories produced tanks and other vehicles. Chrysler was no exception. The U.S. began to arm themselves for the coming war and swelled their ranks with both manpower and vehicles. However, there was a long road ahead, as in 1939 the U.S. had produced a mere 15 medium tanks. By June of 1940, the U.S. Army onl