UFO sighted in Mesa, Arizona, 1963

Summary

In June 1963, a witness in Mesa, Arizona, reported an object in the sky observed for 25 minutes. The classified report suggests the object could have been a balloon, though other possibilities like a "sun dog" optical phenomenon are also mentioned. The sighting was recorded as part of Project 10073, an effort to document UFO sightings. Despite the considerable duration of the sighting, no photographs or additional data were taken that would allow for a more precise evaluation. The report concludes that, although the object was not identified with certainty, the available evidence indicates it was likely not a UFO.