180208-N-N0818-5107 PANAY, Philippines (Feb. 8, 2018) Builder 2nd Class Mario Paniagua assigned to Naval Mobile Construction Battalion (NMCB) 4, uses a nail gun to build formwork for the upcoming concrete pour. 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 3rd Class Tabitha McKitrick/Released)