American military technology during World War II American military technology during World War II American military technologies developed during World War II became more advanced and specialized as the war progressed. The technologies produced ranged in complexity from relatively simple items such as small arms and armored vehicles, including tanks, to more complex items such as the atomic bomb. The latter, produced under the secretive Manhattan Project, proved to be an incredibly powerful weapon that revolutionized warfare and was used to end the war. Other technologies, such as the M4 Sherman tank, the M1 Garand and M1 Carbine, and the gas mask, were refinements on previously existing
American armored fighting vehicle production during World War II American armored fighting vehicle production during World War II This page details tank production by the United States of America during World War II. By the time the United States entered the Second World War in 1942 they had only two tanks ready for combat: the M1 Combat Car and the M2 Light Tank. Originally both tanks only came equipped with machine guns but in 1940, the M2A4 was upgraded to a 37mm anti-tank gun. The machine gun-armed tanks were never used in combat, and only a handful of cannon-armed vehicles saw service in the Pacific; but their design formed