171005-N-NO181-002 DILI, Timor Leste (Oct. 5, 2017) Equipment Operator Constructionman Ricardo Carrazco, right, and Construction Mechanic 2nd Class Drexle Hoffman, both assigned to Naval Mobile Construction Battalion (NMCB) 4, conduct maintenance on a rescue saw to ensure equipment readiness. NMCB-4 is the forward deployed pacific NMCB 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 Construction Electrician 3rd Class Ji Han/Released)