Air Force Senior Airman Jonathan Harvey demonstrates how to build a shelter during survival training at the Army's Jungle Operations Training Course in Hawaii, March 7, 2017. Harvey is a survival, evasion, resistance and escape specialist assigned to the 106th Rescue Wing. He demonstrated how to build fires, erect shelters, and how to contact friendly forces while in difficult terrain. Air National Guard photo by Staff Sgt. Christopher S. Muncy