The Kelly Johnson UFO Sighting
Without question one of the most credible UFO sightings of all times is the sighting of a dark elliptical craft on Dec. 16, 1953 by one of the world’s leading aircraft engineers, Clarence Leonard “Kelly” Johnson, who designed the U-2 spy plane for the CIA.
In addition, what makes this sighting so credible is that unbeknown to Johnson, a Lockheed test pilot on a flight along the Los Angeles coastline corroborated Kelly’s sighting.
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U-2 Spy Plane Designer Witnessed Strange UFO (Slideshow) - Latest Sightings of UFOs, Aliens and the Unexplained - Sighting UFO.Net