B-29 Super Fortress "Enola Gay" by Willie Jones. Operating under the top secret 509th Composite Group, the B-29 "Enola Gay" dropped the first atomic bomb on a target in Hiroshima, Aug. 6, 1945. On Aug. 9, “Bock’s Car,” another 509th B-29, bombed Nagasaki, eventually bringing Japan to its knees.