Air Force Master Sgt. William Puckett, right, instructs C-130 Hercules aircrews on the use and wear of a cold water anti-exposure suit during a water survival refresher course at Camp John J. Barnhardt, New London, N.C., Sept. 10, 2016. The suit must be donned within two minutes to prevent hypothermia. Air National Guard photo by Staff Sgt. Julianne M. Showalter