170307-N-YV613-0231 GUAM (March 7, 2017) Builder 3rd Class Miles Touchstone, assigned to Naval Mobile Construction Battalion (NMCB) 1, smooths concrete for a helicopter landing pad 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 Combat Camera photo by Information Systems Technician1st Class Ledget Glover III)