170308-N-IV194-0498 GUAM (March 8, 2017) Builder Constructionman Cheyenne Gray, assigned to Navy Cargo Handling Battalion (NCHB) 1, pours concrete during the construction of a helicopter landing onboard 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 Chief Mass Communication Specialist Christopher Dallaglio/Released)