Keywords: US Navy 100421-N-4965F-410 Sailors assigned to Maritime Expeditionary Security Squadron (MSRON) 3 man .50-caliber machine guns positions surrounding the perimeter of a simulated forward operating base.jpg en SAN DIEGO April 21 2010 Sailors assigned to Maritime Expeditionary Security Squadron MSRON 3 man 50-caliber machine guns positions surrounding the perimeter of a simulated forward operating base during 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 2010-04-21 100421-N-4965F-410 Navy http //www navy mil/view_image asp id 84798 U S Navy photo by Mass Communication Specialist 1st Class James E Foehl PD-USGov-Military-Navy Naval Base San Diego in the 2010s Maritime Expeditionary Security Squadrons Browning M2 of the US Navy |