171222-N-FT956-1966 DIEGO GARCIA, British Indian Ocean Territory (Dec. 22, 2017) Project Supervisor Steelworker 2nd Class Joshua Schmidt, upper left, and Steelworker 3rd Class Alisha Silva, lower left, both assigned to Naval Mobile Construction Battalion (NMCB) 4, work together to spread concrete evenly throughout the footer. 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)