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🇺🇸 USAF — Project Blue Book

Silver ball over Montana in 1957

Silver ball over Montana in 1957
United States2 pages
PDF · official source

Summary

In December 1957, a witness in Sunburst, Montana, reported seeing a fast-moving silver round object. The sighting lasted five minutes, but no photographs or radar data were collected. The description is minimal, lacking details such as direction or altitude. Despite being a formal report, it offers little to work with.

The lack of concrete data led investigators to conclude that the object could not be evaluated. No hypothesis—balloon, aircraft, or astronomical—was confirmed. This case is a typical example of unresolved sightings, highlighting the need for more detailed real-time information.