Staff Sgt. Joshua Tucker, 19th Operations Support Squadron Survival, Evasion, Resistance and Escape (SERE) instructor, briefs aircrew members from the 41st and 61st Airlift Squadrons on emergency parachuting procedures during a SERE preparation course at Little Rock Air Force Base, Arkansas, Aug. 5. 2021. The SERE instructors work to prepare aircrew and high-risk of isolation personnel for any situation they may be faced with in case of isolation in hostile or austere environments. (U.S. Air Force photo by Airman 1st Class Isaiah Miller)