U.S. Air Force Tech. Sgt. Ryan Torres, 51st Operational Support Squadron Survival, Evasion, Resistance and Escape NCO in charge of training and operations, left, explains how to fasten a safety clip on a life preserver for Capt. Jeremy Krohngold, 36th Fighter Squadron F-16 Fighting Falcon pilot, during a water survival refresher course at U.S. Army Garrison Camp Humphreys, Republic of Korea, Dec. 17, 2020. SERE specialists provide hands-on training experiences, such as activating signals, getting onto a raft and operating rescue equipment. (U.S. Air Force photo by Senior Airman Branden Rae)