Documents / Report
This 10 December 1948 intelligence analysis, marked declassified, examines about 210 reported flying object incidents in the United States. It sorts the reports into disk-shaped objects, cigar-shaped objects and balls of fire, and weighs domestic misidentification against a possible Soviet origin, with particular attention to German flying-wing designs. It concludes that some type of flying object has been observed but that its identification and origin cannot be determined. Appendices plot the sightings, give selected incident reports and describe flying-wing aircraft.
From the source: Release of 2026-07-10 Incident: 12/10/48, Virginia. This file contains a U.S. Air Force (USAF) Air Intelligence Division study, “Analysis of Flying Object Incidents in the United States,” Study No. 203, dated 12/10/1948. The analysis includes an assessment of various reported unidentified flying object (UFO) incidents and theories to account for their nature and origin. Overall, the study assesses that “it appears that some object has been seen; however, the identification of that object cannot be readily accomplished.” The study offers that two “reasonable” origins might account for the phenomena: technologies of a domestic or foreign origin. It also suggests that, if foreign, it is prudent for the United States to assume that UFO observations are attributable to scientific, military, or intelligence activities of the Soviet Union, and, in that case, to take seriously the threat such objects may pose. The file also contains contemporary UFO reports and examples of experimental “flying wing” type aircraft planforms that might account for certain commonly reported UFO characteristics. AARO Comment: This file appears to be an earlier draft version of the file contained in DOW-UAP-D094, whose content is substantively similar.
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Report, from the pursue collection. The PDF is mirrored here; the original link is above. 67 pages are in the text index: search them above, or from the library's search.