U.S. Navy flight demonstration squadron, the Blue Angels, fly over San Diego Harbor while participating in the Parade of Flight, an air show showcasing historic and current Naval aircraft in celebration of the Centennial of Naval Aviation. 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 2nd Class Roland A. Franklin/Released)
