Sgt. Alex Bolicke, training non-commissioned officer for Headquarters Battalion, Marine Forces Reserve acts as a gunman in an active-shooter drill held at the Marine Corps Support Facility New Orleans Feb. 7, 2013. The drill was a part of safety preparation for the support facility that included classroom time, leadership discussion and facility-wide drills. (U.S. Marine Corps photo by Cpl. Marcin Platek/Released) - Sgt. Alex Bolicke, training non-commissioned officer for Headquarters Battalion, Marine Forces Reserve acts as a gunman in an active-shooter drill held at the Marine Corps Support Facility New Orleans Feb. 7, 2013. The drill was a part of safety preparation for the support facility that included classroom time, leadership discussion and facility-wide drills. (U.S. Marine Corps photo by Cpl. Marcin Platek/Released)