Keywords: F9F-8 Blue Angels fleur de lis NAN8-55.jpg Grumman F9F-8 Cougar jets of the U S Navy flight demonstration team Blue Angels performing a fleur de lis maneouver in 1955 U S Navy Naval Aviation News August 1955 http //www history navy mil/nan/backissues/1950s/1955/Aug55 pdf 1955 USN PD-USGov-Military-Navy F9F Cougar Blue Angels Fleur-de-lis aerobatics maneuver |