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,
Canada in the Korean War Canada in the Korean War The Canadian Forces were involved in the 1950–1953 Korean War and its aftermath. 26,000 Canadians participated on the side of the United Nations, and Canada sent eight destroyers. Canadian aircraft provided transport, supply and logistics. 516 Canadians died, 312 of which were from combat. After the war, Canadian troops remained for three years as military observers. Japan's defeat in World War II brought an end to 35 years of Japanese occupation of the Korean Peninsula. The surrender of Japan to the Allied forces on 2 September 1945 led to the peninsula being divided into North