U.S. Air Force Capt. Ash Smith, 156th Airlift Squadron (left), listens to instruction on energy and resource conservation under a canopy in a 20-man lift raft during a water survival refresher course held at Camp John J. Barnhardt, New London, N.C., Sept. 10, 2016. In a water emergency aircrew members must prepare to be stranded for an unknown amount of time. The course is an annual requirement which covers water survival equipment and procedures to prepare aircrew members for parachuting into water or an aircraft incident over water. (U.S. Air National Guard photo by Staff Sgt. Julianne M. Showalter)