171229-N-FT956-2068 DIEGO GARCIA, British Indian Ocean Territory (Dec. 29, 2017) Construction Electrician 1st Class Gilbert Valdriz, assigned to Naval Mobile Construction Battalion (NMCB) 4, uses a mag float to bring moisture to the top of the recently placed concrete in a 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)