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This PDF contains a U.S. Air Force Air Intelligence Division study, "Analysis of Flying Object Incidents in the United States," Study No. 203, dated April 28, 1949. The Department of War file is associated with Virginia and reviews reported UFO incidents, along with theories about their nature and origin.

The study says that "it appears that some object has been seen; however, the identification of that object cannot be readily accomplished." It gives two "reasonable" possible origins, domestic or foreign technology, and says that if foreign, the United States should assume possible Soviet scientific, military, or intelligence activity and take the threat seriously. The file also includes selected contemporary UFO reports and examples of experimental "flying wing" aircraft shapes that might explain some commonly reported UFO characteristics.

Declassified by the Department of War under the PURSUE UAP records release (tranche of 7/10/26).
Agency: Department of War
Incident: 4/28/49, Virginia
Document ID: DOW-UAP-D094