180215-N-OY907-0060 SAN CLEMENTE ISLAND, Calif. (Feb. 15, 2018) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4 use hand tools to smooth the concrete for the Pre-Engineering Building (PEB) floor. 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 Equipment Operator 3rd Class Sibel Uzun/Released)