Airman 1st Class Delphia Ith carries the Marine Corps hat during the POW/MIA Luncheon at Langley Air Force Base, Va., Sept. 20, 2013. The four branches of military service were represented by hats placed on a table during the POW/MIA ceremony. (U.S. Air Force photo by Senior Airman Brittany Paerschke-O'Brien/Released)