U.S. Air Force Reserve Col. Christopher Lay, (center) commander of the 913th Airlift Group, leads members of the Group around the track during a 24-hour vigil at Little Rock Air Force Base, Ark., Sept. 14, 2017. The event was held to observe National POW and MIA Recognition Day. (U.S. Air Force photo by Capt. Casey Staheli/Released)