121 ARW Active Shooter Training Exercise
                U.S. Air Force Tech. Sgt. Patrick Linder, with the 121st Security Forces Squadron, utilizes radio communications during an active shooter training exercise April 15, 2015 at Rickenbacker Air National Guard Base, Ohio. The training exercise was held to test the reactions of military members and the response time of security forces personnel. (U.S. Air National Guard photo by Tech. Sgt. Zachary Wintgens/Released)
                
                    
                        PHOTO BY:
                        Tech. Sgt. Zachary WintgensReleased
                    
                    
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                        150415-Z-EL296-034.JPG
                    
                    
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