MCCHORD FIELD, Wash.- Junior ROTC cadet Kyle Brazil, practices the heavy head maneuver with 446th Security Forces Squadron Reservists during their active shooter training, Feb. 12. A heavy head maneuver entails the active shooter response team assembling with members moving forward, shoulder to shoulder, protecting one another and maintaining 360-degree coverage of the perimeter. Reservists with the 446th SFS are undergoing active shooter training to develop their "overwhelm and dominate" attitude. (U.S. Photo/Staff Sgt. Nicole Celestine)