A B-52H Stratofortress taxis in from its parking spot prior to a mission on Sept. 18, 2014, Barksdale Air Force Base, La. The aircrew on board the jet are from the 343rd Bomb Squadron, which is assigned to the 307th Bomb Wing and is the only nuclear certified squadron in the Air Force Reserve Command. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)