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,
Ethnic minorities in the US armed forces during World War II War I). He was appointed Commanding General of Camp Sibert, Alabama, which was used extensively as the main training camp for chemical warfare troops, and remained in that position until 1945. Shekerjian also gave numerous speeches during the war encouraging Americans of Armenian descent to enlist. The participation of ethnic minorities in the US armed forces during World War II highlighted an inconsistency in American ideology at the time. The United States invaded Europe to fight against Hitler’s Nazi regime and its idea that there is an Aryan master or superior race, while perpetuating racism at home, some minorities believed.