U.S. Army and Air Force service members participate in readiness exercise at Al Udeid AB

U.S. Air Force Senior Airman Koran Brillion, a firefighter with the 379th Expeditionary Civil Engineer Squadron fire and emergency services, repositions a hose outside of a simulated burning structure during a mass casualty exercise Nov. 18, 2020, at Al Udeid Air Base, Qatar. 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)

U.S. Air Force Senior Airman Reese Fanning, a firefighter with the 379th Expeditionary Civil Engineer Squadron fire and emergency services, carries a mock patient out of a simulated burning structure during a mass casualty exercise Nov. 18, 2020, at Al Udeid Air Base, Qatar. 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)

A U.S. Air Force firefighter assigned to the 379th Expeditionary Civil Engineer Squadron fire and emergency services, pulls a hose into a simulated burning structure during a mass casualty exercise Nov. 18, 2020, at Al Udeid Air Base, Qatar. 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)

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)

U.S. Air Force Tech. Sgt. Jamison Chicolini, a fire department crew chief with the 379th Expeditionary Civil Engineer Squadron fire and emergency services, and U.S. Air Force Airman 1st Class Max Walters, a firefighter for 379th ECES fire and emergency services, enter a simulated burning structure during a mass casualty exercise at Al Udeid Air Base, Qatar, 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)

U.S. Air Force Airman 1st Class Max Walters, a firefighter with the 379th Expeditionary Civil Engineer Squadron fire and emergency services, dons his gear as he prepares to respond to a simulated fire during a mass casualty exercise at Al Udeid Air Base, Qatar, 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)

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)

U.S. Army Specialist Colton Marr of the 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, prepares an IV drip for a patient with simulated injuries 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)

U.S. Soldiers with Charlie “Cobra” Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, transport a patient with simulated injuries 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)

U.S. Soldiers with Charlie “Cobra” Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, respond to a patient with simulated injuries 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)

U.S. Soldiers with Charlie “Cobra” Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, prepare to transport a simulated victim 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)

U.S. Soldiers with Charlie “Cobra” Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, carry a patient who has simulated injuries 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)

U.S. Army Sergeant Ignacia Jacobo, left, and U.S. Army Specialist Jeffrey Rust with the 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, review the vital signs of a patient with simulated injuries 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)

U.S. Soldiers with Charlie “Cobra” Battery, 5-52 Air Defense Artillery Battalion deployed to Al Udeid Air Base, Qatar, respond to a patient with simulated injuries 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)

U.S. Airmen assigned to the 379th Expeditionary Civil Engineer Squadron fire and emergency services, repack hoses into trucks after responding to a simulated structural fire during a mass casualty exercise Nov. 18, 2020, at Al Udeid Air Base, Qatar. 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)