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🇺🇸 USAF — Project Blue Book

Tin foil strips found in North Dakota field

Tin foil strips found in North Dakota field
United States4 pages
PDF · official source

Summary

In spring 1960, a farmer in Maddock, North Dakota, noticed strips of tin foil scattered across his field. Curious about their origin, he reached out to federal authorities to inquire about their possible significance. Although no physical samples were received, investigators concluded that the material was likely chaff, a substance used by the USAF to confuse enemy radar systems. This case, though not fully resolved, fits into a series of unidentified object reports that were eventually explained as military tests or natural phenomena.

The document, classified under Project 10073, was reviewed by multiple agencies within the Department of the Air Force and the FBI. Despite the lack of conclusive physical evidence, experts suggested the material was consistent with what was used in aerial operations. This type of case helped authorities rule out more exotic explanations and maintain a pragmatic approach in the investigation of sightings.