191113-N-TP832-1013 FORT HUNTER LIGGETT, Calif. (Nov. 13, 2019) Builder 2nd Anthony Brooks, assigned to Naval Mobile Construction Battalion (NMCB) 3, places concertina wire during NMCB-3’s field training exercise (FTX) at Fort Hunter Liggett, Calif. The battalion is conducting Operation Bearing Duel FTX that prepares and tests the battalion’s ability to enter a hostile location, build assigned construction projects and defend against enemy attacks using realistic scenarios while being evaluated by Naval Construction Group 1. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Michael Lopez/Released)