U.S. Air Force Airmen carry the prisoner-of-war/missing-in-action flag as part of the national POW/MIA recognition day, at Dyess Air Force Base, Texas, Sept. 16, 2016. The ceremony began at 7 a.m. and continued until the playing of retreat, a traditional call signifying the end of the day, at 5 p.m. (U.S. Air Force photo by Airman 1st Class Rebecca Van Syoc)