Air Force Staff Sgt. Brian Alfano, foreground, shows participants how to construct a shelter during a combat and water survival training course on Homestead Air Reserve Base, Fla., Jan. 18, 2016. Alfano is a survival, evasion, resistance, and escape instructor assigned to the 103rd Rescue Squadron. During the training, aircrew members gained refresher training on using their emergency radios, tactical movements through difficult terrain, how to build shelters, ways to build fires, and methods for evading the enemy. New York Air National Guard photo by Staff Sgt. Christopher S. Muncy