20th MXG surges through extended operations
U.S. Air Force Staff Sgt. Kathleen Brophy, 20th Aircraft Maintenance Squadron tactical aircraft maintainer, inspects the exhaust of an F-16CM Fighting Falcon during a surge at Shaw Air Force Base, S.C., Jan. 13, 2015. The thrust of an F-16 is 27,000 pounds, pushing the fighter jet to speeds of more than 1,500 miles per hour, or approximately Mach two, at altitude. (U.S Air Force photo by Airman 1st Class Diana M. Cossaboom/Released)