Keywords: US Navy 100914-N-1580K-092 Range Safety Officers from Maritime Expeditionary Security Squadron (MSRON) 12, provide oversight and instruction to a M.jpg en FORT A P HILL Va Sept 14 2010 Range Safety Officers from Maritime Expeditionary Security Squadron MSRON 12 provide oversight and instruction to a MSRON-12 Sailor during crew-served weapons familiarization and qualifications on the 50-caliber machine gun M-240 machine gun and MK-19 grenade launcher as part of individual and unit readiness training MSRON-12 was stood up in April 2010 as a reserve component unit in Navy Expeditionary Combat Command U S Navy photo by Mass Communication Specialist 2nd Class Ron Kuzlik/Released 2010-09-14 100914-N-1580K-092 Navy http //www navy mil/view_image asp id 91724 U S Navy photo by Mass Communication Specialist 2nd Class Ron Kuzlik PD-USGov-Military-Navy Fort A P Hill Maritime Expeditionary Security Squadrons |