Senior Airman David Carter and Staff Sgt. Thomas Waters, Airmen from the Ellsworth Air Force Base Honor Guard, fold the flag at the POW/MIA and 9/11 Remembrance Retreat Ceremony in front of the 28th Bomb Wing Headquarters on Ellsworth Air Force Base, S.D., Sept. 9, 2011. Airmen from every Ellsworth group formed into flights outside the headquarters building to pay homage to the flag during this significant event. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)