170726-N-JR989-0657 GUAM (July 27, 2017) Electronics Technician 3rd Class Codie Flanagan and Electronics Technician 2nd Class Anthony Juarez, both assigned to Naval Mobile Construction Battalion (NMCB) 1, adjust frequency codes on a GRC-234 high-frequency base station at Naval Base Guam. NMCB-1 provides expeditionary construction and engineering support to expeditionary bases and responds to humanitarian assistance disaster relief requests. (U.S. Navy photo by Fire Controlman 2nd Class Alexander Lee/Released)