Keywords: US Navy 100422-N-4965F-218 Gunner's Mate 2nd Class Ian Unterbrink, assigned to a boat detachment of Maritime Expeditionary Security Squadron (MSRON) 3, mans an M2HB .50-caliber machine gun.jpg en SAN DIEGO April 22 2010 Gunner's Mate 2nd Class Ian Unterbrink assigned to a boat detachment of Maritime Expeditionary Security Squadron MSRON 3 mans an M2HB 50-caliber machine gun on the forward mount of a rigid-hull inflatable boat The unit is conducting a Navy Expeditionary Combat Command NECC integrated exercise The weeklong training exercise is designed to provide NECC Sailors realistic combat training in preparation for up-coming deployments U S Navy photo by Mass Communication Specialist 1st Class James E Foehl/Released 2010-04-22 100422-N-4965F-218 Navy http //www navy mil/view_image asp id 84803 U S Navy photo by Mass Communication Specialist 1st Class James E Foehl PD-USGov-Military-Navy Inshore Boat Units in San Diego Bay Gunner's Mate Maritime Expeditionary Security Squadrons San Diego-Coronado Bridge |