Col. Paul W. Tibbets, Jr., pilot of the ENOLA GAY, the plane that dropped the atomic bomb on Hiroshima, waves from his cockpit before the takeoff, 6 August 1945. Army Air Forces. (OWI).
The bombs killed as many as 140,000 people in Hiroshima .n August 15, Japan announced its surrender to the Allied Powers, signing the Instrument of Surrender on September 2, officially ending the Pacific War and therefore World War II.