Aeronautics, American military Bombardment of Hiroshima-shi (Japan : 1945) Bombardment of Nagasaki-shi (Japan : 1945) Genshi bakudan Geschichte Hiroshima-shi (Japan) / History / Bombardment, 1945 Japan Japan / Hiroshima-shi Japan / Nagasaki-shi Military intelligence Military intelligence / Japan / History / 20th century Nagasaki-shi (Japan) / History / Bombardment, 1945 Official secrets Official secrets / United States Taiheiyō sensō USA United States Weltkrieg (1939-1945) World War (1939-1945) World War, 1939-1945 / Aerial operations, American