Keywords: US Navy 110212-N-3446M-033 Visitors look at aircraft displays during the Centennial of Naval Aviation Open House and Parade of Flight.jpg en SAN DIEGO Feb 12 2011 Visitors look at aircraft displays during the Centennial of Naval Aviation Open House and Parade of Flight at Naval Air Station North Island The Navy is observing the Centennial of Naval Aviation with a series of nationwide events celebrating 100 years of heritage progress and achievement in naval aviation U S Navy photo by Mass Communication Specialist 1st Class Kim McLendon/Released 2011-02-12 110212-N-3446M-033 Navy http //www navy mil/view_image asp id 97484 U S Navy photo by Mass Communication Specialist 1st Class Kim McLendon PD-USGov-Military-Navy Naval Air Station North Island in the 2010s Northrop Grumman RQ-4 Global Hawk Centennial of Naval Aviation Centennial of Naval Aviation aircraft Northrop Grumman X-47B |