U.S. Air Force Master Sgt. William Puckett (right),

U.S. Air Force Master Sgt. William Puckett (right), 145th Operations Support Squadron, instructs aircrew members of the 145th Operations Group on use and donning of an anti-exposure suit utilized in artic environments during a water survival refresher course held at Camp John J. Barnhardt, New London, N.C., Sept. 10, 2016. The suit must be donned within two minutes to prevent hypothermia. 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)