He later moved from California to the Atlanta area to be near his daughter. Then he went to school, earned degrees in chemical engineering and signed on with DuPont, where he stayed until he retired in 1985. VanKirk stayed on with the military for a year after the war ended. It seemed a lot longer than 43 seconds,” VanKirk recalled. “I think everybody in the plane concluded it was a dud. They counted - one thousand one, one thousand two - reaching the 43 seconds they’d been told it would take for detonation, and heard nothing. They didn’t know whether the bomb would actually work and, if it did, whether its shockwaves would rip their plane to shreds. As the 9,000-pound bomb nicknamed “Little Boy” fell toward the sleeping city, he and his crewmates hoped to escape with their lives. He guided the bomber through the night sky, just 15 seconds behind schedule, he said. The mission went perfectly, VanKirk told the AP. VanKirk was teamed with pilot Paul Tibbets and bombardier Tom Ferebee in Tibbets’ fledgling 509th Composite Bomb Group for Special Mission No. “But if anyone has one,” he added, “I want to have one more than my enemy.”