A Marine assigned to the Provost Marshal’s Office prepares for Special Reaction Team Special Effects Small Arms Marking System Tactics Based training at Combat Town, Camp Hansen, Okinawa, Japan, Nov. 22, 2017. SRT Marines act as a 911 response force across Okinawa, handling high-risk situations that military policeman may not be equipped for such as hostage situations, barricade incidents or high-risk warrants. Marine Corps photo by Lance Cpl. Tayler P. Schwamb