Staff Sgt. Courtney Corral, 11th Security Support Squadron training instructor, briefs members of Joint Base Andrews, Md., during active shooter training at the Jacob E. Smart Building on base, Aug. 17, 2016. The training, held by the 11th SSPTS, instructed attendees on how to react during an active shooter incident in specific office locations. Attendees also had the opportunity to implement the training they learned during an active shooter drill. (U.S. Air Force photo by Airman Gabrielle Spalding)