170813-Z-MT804-002
Security Forces with the 128th Air Refueling Wing, Wisconsin Air National Guard, evacuate Airmen during an active shooter exercise Aug. 13, 2017. The U.S. Department of Homeland Security’s ‘Run, Hide, or Fight’ campaign emphasizes staying calm and following instructions when law enforcement arrives. (U.S. Air National Guard photo by Senior Airman Morgan R. Lipinski/Released)