180116-N-FT956-2483 DIEGO GARCIA, British Indian Ocean Territory (Jan. 16, 2018) Equipment Operator Dorian Macal supervises Commanding Officer of Naval Mobile Construction Battalion 4 Cmdr. James Cho (left) tie Welded Wire Fabric (WWF) to prepare the area for concrete placement. NMCB 4 is forward deployed to the pacific, 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 Builder 2nd Class Christopher J. Moore/Released)