The Convoy Security Element (CSE) assigned to Naval Mobile Construction Battalion (NMCB) 40 conduct convoy movement operations at a training facility.

PT MAGU, Calif. (Aug. 30, 2011) The Convoy Security Element (CSE) assigned to Naval Mobile Construction Battalion (NMCB) 40 conduct convoy movement operations at a training facility. The training was facilitated by senior unit leadership and civilian instructors from Defense Training Systems simulating as foreign nationals. (U.S. Navy photo by Chief Mass Communication Specialist Michael B. Watkins) File# 110830-N-SM578-022