161108-N-XK513-110 FORT HUNTER LIGGETT, Ca. (Nov. 8, 2016) Petty Officer 2nd Class Kelsey Wells, assigned to Naval Mobile Construction Battalion (NMCB) 18, directs the flow of concrete into a vertical takeoff and landing pad construction project during a field training exercise (FTX). NMCB-18 is participating in this FTX to maintain deployment readiness. (U.S. Navy Photo By Petty Officer 2nd Class Ian Carver/Released)