From left to right, Marine Corps Lance Cpl. Steadman Barringer, Lance Cpl. Glenn Hughes and Lance Cpl. James Grigsby, military police officers with the Provost Marshal’s Office, clear a room during active-shooter training at Marine Corps Air Station Iwakuni, Japan, Feb. 13, 2017. With assistance from the special reaction team, the Marines sharpened their skills by practicing proper room clearing techniques and how to correctly secure a building. Marines practiced the procedures in small groups prior to conducting a simulated active-shooter situation. ( Marine Corps photo by Cpl. Aaron


From left to right, Marine Corps Lance Cpl. Steadman Barringer, Lance Cpl. Glenn Hughes and Lance Cpl. James Grigsby, military police officers with the Provost Marshal’s Office, clear a room during active-shooter training at Marine Corps Air Station Iwakuni, Japan, Feb. 13, 2017. With assistance from the special reaction team, the Marines sharpened their skills by practicing proper room clearing techniques and how to correctly secure a building. Marines practiced the procedures in small groups prior to conducting a simulated active-shooter situation. ( Marine Corps photo by Cpl. Aaron Henson)


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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: active, clearing, commissary, pmo, room, shooter, srt, techniques, training