Master Sgt. Scott Wagonblott, 633rd Air Base Wing information assurance manager, plays the role of active shooter during a training exercise at Langley Air Force Base, Va., Nov. 15, 2012. Wagonblott said changing his demeanor to prepare for the role of active shooter had effects on his coworkers and his family. (U.S. Air Force photo by Staff Sgt. Katie G. Ward / Released)