American military technology during World War II technologies. The M4 Sherman became the standard American military tank in World War II. Due to lack of development before the war leading to inexperience in tank design, the first large scale production of a medium tank was the M3 Lee, built for the US and the British, a compromise design with the main weapon mounted in the hull. It did have a stabilized 37mm gun in the turret, which was effective against antitank guns, able to fire, and hit, even when moving. By contrast, no German tanks had stabilized guns. The M6 series was the first of the heavy
German tanks in World War II — High Command. In actual tank-on-tank encounters the German armor performed poorly, but as a coherent unit, the combined arms tactic of the Blitzkrieg shocked the Allies. The German Panzer forces at the start of World War II were not especially impressive. Only 4% of the defense budget was spent on armored fighting vehicle (AFV) production. Guderian had planned for two main tanks: the Panzer III, which was in production; and the Panzer IV with a 75 mm gun, which did not have one. The design work for the Panzer IV had begun in 1935 and trials of prototypes were