Airmen support 24-hour operations
U.S. Air Force tactical aircraft maintainers assigned to the 20th Maintenance Group (MXG) perform maintenance on F-16CM Fighting Falcons at Shaw Air Force Base, S.C., Aug. 3, 2017. Airmen assigned to the 20th MXG work in shifts to support 24-hour operations and ensure the base’s 79 F-16s are mission ready. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)