Unidentified flying object

:UFO redirects here. For other uses, see UFO (disambiguation).

Hoaxes

Among the many witnesses who report UFO sightings, a small percentage (only 2-3% according to U.S. Air Force statistics) have been exposed as hoaxers. Some have held to their stories in spite of persuasive evidence of a hoax, and the determination of specific cases as hoaxes has been contentious. The cases listed below -- if lacking conclusive evidence -- are at least widely suspected of hoaxing, though some still have defenders among prominent researchers:

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• George Adamski, contactee.
• Ed Walters of the Gulf Breeze, Florida UFO reports.
• Majestic 12, purportedly a secret, high-level United States UFO study group.
• The Maury Island Incident
• Billy Meier, contactee.
• The Ummo affair, a series of detailed letters and documents allegedly from extraterrestrials.
• An online list of Discredited Sightings