August 5, 1945, Hiroshima, Japan: Smoke billows 20,000 feet above Hiroshima while smoke from the burst of the first atomic bomb had spread over 10,000 feet on the target at the base 0: the rising column. Two planes of the 509th Composite Group, part of the 313th Wing of the 20th Air Force, participated in this mission; one to carry the bomb, and the other to act as escort..,Image: 91625473, License: Rights-managed, Restrictions: , Model Release: no