When the bomb left the airplane, the plane jumped because you released 10,000 lbs.,” Theodore Van Kirk, the plane’s navigator, later recalled. “It was just like any other mission: some people are reading books, some are taking naps. The Enola Gay is a B-29 Superfortress, which pilot Paul Tibbets named after his mother, and which had been stripped of everything but the necessities, so as to be thousands of pounds lighter than an ordinary plane of that make. This “dreadful instant,” as TIME once put it, helped speed the end of World War II, launched the atomic age and began an ethical debate over the decision to use nuclear weapons that has continued for more than 70 years - and that has extended to questions about the plane itself. 6, 1945, “ a city died, and 70,000 of its inhabitants.” The B-29 bomber stayed airborne, hovering above a terrifying mushroom cloud. After the Enola Gay dropped an atomic bomb on Hiroshima, Japan, on Aug.