Keywords: US Navy 101207-N-4267W-075 Capt. Christopher Halton, commodore of Riverine Group 1, left, explains to Secretary of the Navy (SECNAV) the Honorable.jpg en VIRGINIA BEACH Va Dec 7 2010 Capt Christopher Halton commodore of Riverine Group 1 left explains to Secretary of the Navy SECNAV the Honorable Ray Mabus the advantages of using unmanned aerial vehicles during a visit to Joint Expeditionary Base Little Creek-Fort Story U S Navy photo by Mass Communication Specialist 2nd Class Paul D Williams/Released 2010-12-07 101207-N-4267W-075 Navy http //www navy mil/view_image asp id 95030 U S Navy photo by Mass Communication Specialist 2nd Class Paul D Williams PD-USGov-Military-Navy Naval Amphibious Base Little Creek |