673d Security Forces Squadron conducts high risk response training
U.S. Air Force Staff Sgt. Adrian Durr, right, delivers a safety brief to fellow security forces personnel, assigned to the 673d Security Forces Squadron, before conducting high risk response training at Joint Base Elmendorf-Richardson, Alaska, June 29, 2016. High risk response training provides security forces personnel an intensive course based in various real-life scenarios emphasizing effective tactics to engage and eliminate active shooters or other threats. (U.S. Air Force photo/Alejandro Pena)