Ruins left by the explosion of an atomic bomb over Hiroshima, Japan, August 6, 1945
A cloud of dark smoke rises more than 20,000 feet into the air, after the atomic bomb explodes over the Japanese port and town of Nagasaki on August 9, 1945
This undated U.S. Air Force photograph shows the ground crew of the "Enola Gay" airplane that bombed Hiroshima, Japan on August 6, 1945 with the "Little Boy" nuclear bomb