Cathedral City, CaliforniaNovember 1957

On November 30, 1957, at 1610 (4:10 p.m.) Pacific Standard Time, residents of Cathedral City, California reported seeing an unidentified object moving through the sky. The sightings came from at least two different locations in town.

The first report came from a 36-year-old woman standing on the sun deck of an apartment. She said the object appeared from the south, moving north, and disappeared into a nearby mountain range in about four seconds. She described it as black, rocket-shaped, and similar to the fuselage of a light airplane. The object appeared to be wobbling or spinning as it fell. It made no sound, had sharply outlined edges, and was roughly 15 to 18 feet long. She estimated she was about 12 miles away from it and said it was falling at great speed. Weather at the time was dry with scattered clouds and mild temperatures around 65 degrees.

A second witness, a 30-year-old woman in the same area, saw something similar but gave different details. She watched an object for 3 to 4 minutes as it moved from east to northeast before disappearing into the mountains. This object appeared black, solid, and roughly the size of a four-engine airplane, or about 25 feet long and 15 feet wide. She described it as almond-shaped and said it looked like charred steel. She too said it moved silently and appeared to be descending slowly.

Both witnesses were listening to radio reports that the rocket stage from the Soviet satellite Sputnik I was expected to pass overhead at that time. After the sighting, they used surveying equipment to try to locate the object in the mountains but were unsuccessful. Neither witness could pinpoint the exact location with certainty.

Air Force investigators contacted nearby airports and military bases. Palm Springs Airport had no flight plans for that time and released no weather balloons. March Air Force Base reported no aircraft in the vicinity. An Air Force radar unit detected a jet near Blythe at 1549 hours estimated to be at 23,000 feet. No radar reports correlated with the sighting itself. Weather data from November 30 showed clear to partly cloudy skies, excellent visibility, and winds consistent with the season.

The investigating officer concluded in his report that because the sighting was observed from only one general area and the witnesses had discussed the event before being interviewed separately, the reliability of their statements was weakened. The officer suggested three possible explanations for the sighting: a bird seen in a particular flight attitude, a local aircraft operating without filing a flight plan, or misidentification prompted by the widespread attention to Sputnik's trajectory at that time. The Air Force evaluation marked the case as "unknown." The full case file, comprising 8 pages, is reproduced below as held by the National Archives.