American military technology during World War II US cruisers and battleships had their guns directed using information gathered from the ship's radar. 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,
American armored fighting vehicle production during World War II World War II. An earlier design, the M6 Heavy Tank, was not accepted for series production and only 40 were produced. Work began in early 1945 to develop a significantly heavier variant of the M26 Pershing, the T32 heavy tank, but after the end of the World War II, the project was cancelled and the vehicles were scrapped. 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