ANGELS OVERHEAD The U.S. Navy flight demonstration squadron, the Blue Angels, fly over San Diego Harbor during an air show showcasing historic and current Naval aircraft to celebrate the Centennial of Naval Aviation in San Diego, Feb. 12, 2011. The Navy is observing the centennial with a series of nationwide events marking 100 years of heritage, progress and achievement in naval aviation. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 906649-J-VKT58-570.jpg Photo Gallery