161104-N-XK513-035 Fort Hunter Liggett, Ca. (Nov. 4, 2016) Sailors assigned to Naval Mobile Construction Battalion (NMCB) 18 prepare to deploy concertina wire as part of a field training exercise (FTX). NMCB-18 is conducting this FTX as part of their annual training requirement and to maintain deployment readiness. (U.S. Navy Photo by Petty Officer 2nd Class Ian Carver/Released)