Staff Sgt. Stefan Laufenberg, left, and Staff Sgt. Jesse Ouverson, second from right, 45th Security Forces Squadron defenders, work with Staff Sgt. Lucus Vannorsdall, middle, 308th Rescue Squadron pararescueman, to lift an active shooter exercise victim onto a stretcher July 25, 2017 in Hangar 750. First responders from the host 45th Space Wing and tenant 920th Rescue Wing worked side-by-side to assist victims and ensure smooth transport to the hospital. The scenario included four injured Airmen and three deceased Airmen, including the active shooter. (U.S. Air Force photo/Tech. Sgt. Lindsey Maurice)