Charles McMillan, the director of Los Alamos National Laboratory, receives a virtual reality “crash course” in operating a parachute as part of egress training out of a B-52 Stratofortress at Barksdale Air Force Base, La. on March 14, 2016. McMillan received the opportunity to fly in a B-52 with the 93rd Bomb Squadron after years of working to improve weapons science for the bomber. (U.S. Air Force photo by Master Sgt. Dachelle Melville/Released)