U.S. Air Force Senior Airman Kellie Lewis, a postal Airman with the 379th Expeditionary Force Support Squadron, reports a simulated casualty during ability to survive and operate training Nov. 20, 2020, at Al Udeid Air Base, Qatar. During the ATSO training, Airmen learned how to immediately recover and respond in the aftermath of an attack without impeding the mission of the base. (U.S. Air National Guard photo by Tech. Sgt. Brigette Waltermire)