Project 10073 Record Card and Teletype Report — Denver, Colorado, May 1957

This document consists of a Project 10073 record card and a subsequent teletype report detailing an aerial sighting that occurred near Denver, Colorado, on May 3, 1957. The witness, identified as a technical motion picture writer based at Orlando AFB, Florida, reported observing a single object at 0730Z. The witness described the object as disc-shaped, roughly the size of a hockey puck, exhibiting a reddish glow and a cone-shaped tail of blue flame. The object followed a straight path across the sky before disappearing behind mountains. The duration of the sighting was approximately four seconds. The report includes detailed meteorological data for the time and location, noting clear skies and ten-mile visibility. The official conclusion recorded on the card and in the teletype is that the object was a possible meteor. The report was processed by the Lowry Flight Service Center and distributed to various military intelligence commands, including the Air Technical Intelligence Center at Wright-Patterson Air Force Base and the Director of Intelligence at USAF Headquarters in Washington, D.C.