U.S. Air Force Tech. Sgt. Sean Hanson, a survival, evasion, resistance and escape (SERE) specialist assigned to the 1st Operations Support Squadron, covers his face with natural camouflage at Langley Air Force Base, Va., Nov. 19, 2015. A SERE specialist is an expert at finding natural camouflage, hiding and escaping hostile environments. (U.S. Air Force photo by Airman 1st Class Derek Seifert)