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Airmen from the 25th Aircraft Maintenance Unit prepare an A-10 for launch May 6, 2015, at Osan Air Base, Republic of Korea. The planes were launching as part of Beverly Midnight 15-02, an operational readiness exercise designed to test the emergency capabilities of Team Osan. (U.S. Air Force photo by Staff Sgt. Jake Barreiro)
A simulated wounded Airman is loaded onto an ambulance during a mass casualty exercise May 12, 2015, at Osan Air Base, Republic of Korea. The simulation was part of Beverly Midnight 15-02, an operational readiness exercise designed to test the capabilities of Team Osan. (U.S. Air Force photo by Staff Sgt. Jake Barreiro/Released)
View of a simulated mass casualty scene May 12, 2015, at Osan Air Base, Republic of Korea. These scenarios provide first responders and emergency personnel a chance practice the quick reactions to emergency scenes. (U.S. Air Force photo by Staff Sgt. Jake Barreiro/Released)
A Republic of Korea personnel hides from an armed vehicle during a simulated opposition forces attack during operational readiness exercise Beverly Midnight 15-02 May 13, 2015, at Osan Air Base, Republic of Korea. (U.S. Air Force photo by Staff Sgt. Jake Barreiro)
Army Soldiers defend Delta Battery from a simulated opposition forces attack during Operation Readiness Exercise Beverly Midnight 15-2 May 12, 2015 at Osan Air Base, Republic of Korea. The exercise helps identify areas in which procedures should be changed or equipment added in order to enhance the emergency response capabilities.(U.S. Air Force photo by Senior Airman Matthew Lancaster)