190820-N-QL471-1195 SANTA RITA, Guam (Aug. 20, 2019) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4 assemble a portion of an asphalt batch plant at Naval Base Guam. NMCB-4, provides expeditionary construction and engineering capabilities that includes maintenance and operation of expeditionary bases and facilities, tactical sustainment bridging, humanitarian assistance through construction civic action details and theater disaster response capabilities in the U.S. 7th Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 1st Class Billy Ho/Released)