DILI, Timor Leste (October 5, 2017) Equipment Operator 3rd Class Brandon Lee, assigned to Naval Mobile Construction Battalion (NMCB) 4, operates a skid steer to move an Environment Control Unit in preparation for an upcoming exercise, Hari’i Humatak. 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)