As of May 2019, the M18 service pistol is replacing the M9 service pistol, which has been in service across the U.S. Marine Corps since the 1980’s. U.S. Marines with the Provost Marshal's Office across Marine Corps Base Camp Butler conducted a live-fire qualification range with the M18 service pistol on Camp Hansen, Okinawa, Japan, Aug. 18. #usmc​ (U.S. Marine Corps video by Cpl. Ryan Pulliam) | Marine Corps Installations Pacific