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🇺🇸 USAF — Project Blue Book

Red lines in the Colorado sky

Red lines in the Colorado sky
United States3 pages
PDF · official source

Summary

In February 1958, a witness in Camp Carson, Colorado, observed four parallel lines glowing like flares and pointing downward. These lines were about half the size of a pencil, red-orange in color, and extremely far away. The sighting lasted about four minutes, with the lines fading from a bright fiery color to pink and eventually disappearing. The witness, a 33-year-old woman, saw the phenomenon while getting into her car near a store on Nevada Street. Although initially considered unusual, investigators concluded the lines were contrails from aircraft seen at sunset, a common explanation for such sightings. The description matched typical contrail characteristics, especially from aircraft in formation or multi-engine planes. The official report from Project 10073 noted no photos were taken and the witness did not identify specific aircraft, but the officer in charge confirmed the sighting was consistent with known contrail behavior.

The observation was documented in an official Project 10073 record, highlighting that while UFO sightings were common at the time, this case ended with a conventional explanation. This helped researchers better understand aerial phenomena and distinguish between real objects and misperceptions. Despite the era's frequent UFO reports, this case reinforced the idea that many seemingly inexplicable events have natural or known causes.