Chiefs and officers assigned to Naval Mobile Construction Battalion (NMCB) 5 practice setting up a triple-strand concertina wire fence during the NMCB-5 annual Khaki field exercise.

CAMP PENDLETON, Calif. (Oct. 14, 2008) Chiefs and officers assigned to Naval Mobile Construction Battalion (NMCB) 5 practice setting up a triple-strand concertina wire fence during the NMCB-5 annual khaki field exercise. The exercise is held to train chiefs and officers how to lead contingency operations in a field environment. (U.S. Navy photo by Chief Mass Communication Specialist Palmer Pinckney II) File# 081014-N-1205P-121