U.S. Soldiers with Charlie “Cobra” Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, stand ready to respond as 379th Expeditionary Civil Engineering Squadron fire and emergency services Airmen clear a simulated burning structure 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)