Military policemen approach a barricaded suspect during an active shooter reaction drill Nov. 20 at Camp Courtney’s Commissary. The military policemen had the opportunity to use the exchange and the commissary to train in a setting where they could potentially to operate. The Marines are with the Special Reaction Team, Provost Marshal’s Office, Marine Corps Base Camp Smedley D. Butler, Marine Corps Installations Pacific. (U.S. Marine Corps photo by Lance Cpl. Isaac Ibarra/Released) - Military policemen approach a barricaded suspect during an active shooter reaction drill Nov. 20 at Camp Courtney’s Commissary. The military policemen had the opportunity to use the exchange and the commissary to train in a setting where they could potentially to operate. The Marines are with the Special Reaction Team, Provost Marshal’s Office, Marine Corps Base Camp Smedley D. Butler, Marine Corps Installations Pacific. (U.S. Marine Corps photo by Lance Cpl. Isaac Ibarra/Released)