U.S. Air Force Airmen and a Royal Danish air force rescue member work together to treat a simulated flood victim with internal bleeding during an Angel Thunder 2015 mass casualty exercise at Winslow-Lindbergh Regional Airport, Ariz., June 5, 2015. Service members, University of Arizona and Northern Arizona University students acted as simulated patients to create a realistic experience during the exercise. (U.S. Air Force photo/Tech. Sgt. Courtney Richardson)