Keywords: US Navy 060518-N-5735J-002 Engineers check the structure after the test flights of the Navy-built Guardian Griffin unmanned aerial vehicle (UAV).jpg en Fort AP Hill Va May 18 2006 - Engineers check the structure after the test flights of the Navy-built Guardian Griffin unmanned aerial vehicle UAV The flights demonstrated its capability to support U S joint forces with missions ranging from convoy escort and port security to combat patrol U S Navy photo by Mr John Joyce RELEASED 2006-05-18 060518-N-5735J-002 Navy http //www navy mil/view_image asp id 35320 U S Navy photo by Mr John Joyce PD-USGov-Military-Navy Fort A P Hill |