U.S. Army Specialist Tyler Ballard of Charlie Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, carries two collapsed litters for simulated victims during a mass casualty exercise Nov. 18, 2020. The joint service event was one in a series of ongoing readiness exercises held to ensure all base defense systems are prepared to recover and respond to an attack at any time. (U.S. Air National Guard photo by Tech. Sgt. Brigette Waltermire)