Keywords: US Navy 110830-N-SM578-039 The Convoy Security Element (CSE) assigned to Naval Mobile Construction Battalion (NMCB) 40 conduct convoy movement oper.jpg en 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/Released 2011-08-30 110830-N-SM578-039 Navy http //www navy mil/view_image asp id 106899 U S Navy photo by Chief Mass Communication Specialist Michael B Watkins PD-USGov-Military-Navy Images from US Navy location PT MAGU Calif |