🇺🇸 USAF — Project Blue Book
In September 1960, a witness in Nevada observed an object that exploded in the sky, revealing a cigar-shaped, bright object. The phenomenon lasted 25 to 30 seconds and displayed vivid colors, from white to a striking green. The sighting occurred about 10 degrees above the horizon and was classified as a bolide, a type of luminous meteor.
The report categorizes the event as likely astronomical, noting there were no photographs or radar data. Although the witness couldn't identify any associated sound, the detailed description and corroboration from another observer support the celestial nature of the event.