Air Force Capt. Matthew Gray, right, and Air Force 1st Lt. Reed Elsbernd, left, fly a B-52H Stratofortress aircraft during an Exercise Green Flag East training mission over Fort Polk, LA on Aug. 21, 2013. Gray and Elsbernd, B-52 stratofortress pilots, are assigned to the 20th Bomb Squadron. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)