151006-N-YG415-164 OKINAWA, Japan (Oct. 6, 2015) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 3 measure and mark a medium tactical vehicle replacement during a mount-out exercise at Camp Shields. The mount-out exercise tests the ability of a battalion to deploy Seabees, materials and equipment within a 48-hour period. NMCB-3 is currently deployed to Japan and several countries in the Pacific area of operations conducting construction operations and humanitarian assistance projects. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael Gomez/Released)