190313-N-TP832-1239 OKINAWA, Japan (March 13, 2019) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 3 fire M-4 carbines during a marksmanship qualification course at Camp Courtney Marine Corps Base in Okinawa, Japan, March 13, 2019. NMCB-3 is forward deployed throughout the Indo-Pacific region and United States ready to support major combat operations, theater security, humanitarian assistance and disaster relief operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Lopez/Released)