Documents / Report
This declassified Air Intelligence Report No. 100-203-79 is a Top Secret study by the Directorate of Intelligence, Headquarters USAF, and the Office of Naval Intelligence, dated 10 December 1948. It looks at about 210 reported flying object incidents and concludes that some type of flying object has been observed, though what the objects are and where they come from cannot be determined. It considers domestic devices or Soviet aircraft based on German flying wing designs, and its appendices cover selected reports, explained cases and flying wing aircraft.
From the source:Release of 2026-07-10 Incident: 4/28/49, 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 04/28/1949. 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 selected 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 a later revision of the file contained in DOW-UAP-D093, whose content is substantively similar.
I b. On 19 August 1848, at approximately 1060 hours an unidentified flying object was, visible from the ground at Godman Air Force Base, Kentucky. This object was estimated to be at about 30,000 to 40,000 feet altitude, spherical in shape, bright silver color and gave a bright reflection from the sun. An F-61 was dispatched from standi:ford Air Force Base, Kentucky, to observe the object. During observation from the ground, there was no change in the elevation of the object and it seemed to be moving southwest from God.man Air Force Base. The F-61 which was flying over Gedman AFB at an altitude of 30,000 to 35,000 feet reported that it was unable to locate the object although it was still visible :from the ground with the naked eye. Azimuth and elevation readings were taken by theodolite every minute and the path of the object was charted. The object was determined to be the planet Venus by Mr. Moore, the head astronomer at the University of Louisville, Louisville, Kentucky. It 1s believed that earller incidents at Gedman Fleld (reference paragraph 2k, page 12, Appendix "C0 ) may also have been observations of the planet Venus. 6. AMONG THOSE incidents still not positively explained, reported observations differ to some extent, but three general categories of sightings emerge -- the flying disk, the ball of flre and the large jet rock~. Interesting observations that were noted are: a. Most of the objects are a thin disk, round on top and flat on the bottom. The front half of the disk is often circular, sweeping back to a square tall across the full width. b. A high rate of cllmb as well as the apparent abllity to remain motionless or hover for a considerable length of time is indicated. c. Reported sizes have varied from that of a 25-cent piece to 260 feet ln diameter, and from the size of a pursuit plane to the bulk of six B-29 airplanes. d. Speeds have been estimated throughout the entire range from very slow or hovering to supersonic. e. Sounds and visual trails are not normally associated with the sightings. - 16 - ~:II 111"
Report, from the pursue collection. The PDF is mirrored here; the original link is above. 34 pages are in the text index: search them above, or from the library's search.