U.S and partner-nations participate in MASCAS exercise
U.S. Air Force and Royal Danish air force medical personnel treat a simulated victim for neck and head injuries 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/Airman 1st Class Chris Drzazgowski)