160425-N-HU290-243 YOKOSUKA, Japan (Apr. 25, 2016) - Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4, fill formwork with concrete along the Tokyo Bay in Yokosuka, Japan. NMCB 4 is the forward deployed pacific NMCB ready to support major combat operations, humanitarian assistance/disaster relief operations and provide general engineering support to Navy, Marine Corps and joint operational forces. (U.S. Navy photo by Construction Electrician 3rd Class Christopher Evenson/Released)