Enola Gay B-29 The Enola Gay B-29 Superfortress undergoes a modification at the Oklahoma City Air Depot so it can drop atomic weapons. The Enola Gay dropped the first nuclear bomb used in combat on Hiroshima, Japan, Aug. 6, 1945. SHARE: Download: Full Size (0.72 MB) Credit: Air Force VIRIN: 170120-F-VV898-001.JPG Photo Gallery