Tech. Sgt. Johnathan Peavy, 571st Mobility Support Advisory Squadron survival, evasion, resistance and escape specialist, second from right, describes how to acquire potable water from nearby steams or after rainfall during the squadron’s field training exercise Aug. 10, 2020, at King Range National Conservation Area near Shelter Cove, Calif. During the exercise, SERE specialists taught the students a variety of different techniques to ensure water is safe to drink. (U.S. Air Force photo by Tech. Sgt. David W. Carbajal)