Staff Sgt. Edwin Arguetahernandez, 436th Security Forces Squadron military working dog handler, and MWD Johny, search the 436th Medical Group clinic for simulated victims during a simulated active shooter scene as part of Exercise DORMAR Nov. 12, 2019, at Dover Air Force Base, Del. Two 436th SFS response force members portrayed active shooters who mortally wounded clinic personnel. (U.S. Air Force photo by Roland Balik)