Staff Sgt. John Williams, 5th Operations Support Squadron aircrew flight equipment technician assigned to Minot Air Force Base, N.D., untangles parachute lines in a hangar retrofitted by 28th Civil Engineer Squadron Airmen at Ellsworth Air Force Base, S.D., April 30, 2014. More than 300 Airmen and approximately eight B-52 Stratofortresses are temporarily operating out of Ellsworth during a runway repair project at Minot. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)