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
British armoured fighting vehicles of World War II British armoured fighting vehicles of World War II Tanks of the Second World War A tankette is a type of lightly armed and lightly armoured tracked combat vehicle resembling a small tank roughly the size of a car, mainly intended for light infantry support or reconnaissance. Colloquially it may also simply mean a "small tank". These inter-war tanks were built to supply the British Army after the First World War. Heavier than most light tanks, they proved to be under-gunned and under-armoured. Some did see action in France and the Low Countries in 1940. They were armed with either the