On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively, during the final days of World War II. The aerial bombings killed
Atomic bomb mushroom clouds over Hiroshima (left) and Nagasaki (right)
Situation of the Pacific War on 1 August 1945 White and green: Areas controlled by Japan Red: Areas controlled by the Allies Gray: Areas controlled by the Soviet Union (neutral)
U.S. Army propaganda poster depicting Uncle Sam preparing the public for the invasion of Japan after the end of the war with Germany and Italy
A B-29 over Osaka on 1 June 1945
Manhattan Project
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The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons. It was led by the United States in collaboration with the United Kingd
Atomic bombings of Hiroshima and Nagasaki
…in Europe concluded when Germany surrendered on 8 May 1945, and the Allies turned their full attention to the Pacific War. By July 1945, the Allies' Manhattan Project had produced two types of atomic bombs: "Little Boy", an enriched uranium gun-type fission weapon, and "Fat Man", a plutonium implosion-type nuclear…
K25 Aerial
Hanford B Reactor
HD.4G.053
German Experimental Pile Haigerloch April 1945