Keywords: US Navy 110901-N-JM744-077 Secretary of the Navy Ray Mabus announces conducting demonstration flights with a 50-50 mix of biofuel and JP-5 aviation.jpg en NAVAL AIR STATION PATUXENT RIVER Md Sept 1 2011 Secretary of the Navy SECNAV Ray Mabus speaks during a press conference at Naval Air Station Patuxent River about the U S Navy flight demonstration team the Blue Angels conducting demonstration flights with a 50-50 mix of biofuel and JP-5 aviation fuel The Blue Angels will perform at the Naval Air Station Patuxent River Air Expo Sept 3 and 4 U S Navy photo/Released 2011-09-01 110901-N-JM744-077 Navy http //www navy mil/view_image asp id 106711 U S Navy photo PD-USGov-Military-Navy 2011 at Naval Air Station Patuxent River Blue Angels pilots and team Ray Mabus |