Documents / Report
This Top Secret Air Intelligence Division Study No. 203, prepared jointly by USAF and ONI intelligence and dated 10 December 1948, analyzes about 210 reported flying object incidents in the United States. It concludes that some type of flying object has been observed, but that its identification and origin cannot be determined. The study weighs domestic explanations such as weather balloons, rockets, flying wing aircraft and celestial phenomena against possible Soviet devices based on German flying wing designs. Its appendices include selected incident reports and descriptions of 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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# ANALYSIS OF FLYING OBJECT INCIDENTS IN THE U.S. AND HYPOTHETICAL TACTICS EMPLOYED # APPENDIX "A" 1. Introduction. To formulate the possible tactics of flying objects reported over the U.S. assumes from the outset that firm conclusions have been reached on both the existence and origin of the reported flying objects. The current status of information on such incidents and overall analysis does not allow substantiation for such conclusions. However, the lack of such firm conclusions points to the necessity for an immediate and sound statistical analysis of every aspect of the situation and does not preclude a concurrent examination of the reported incidents to develop explanations of their possible tactics. The latter will be useful at some future date should the existence and origin of the flying objects be definitely established. Therefore, the following analysis of available information is advanced in order to present evidence on the actual existence of some type flying object and to relate same to tactical purposes for which the objects are possibly designed. The following discussion must be considered a provisional analysis, pending a further detailed analysis of all aspects of the problem. 2. Some Aspects Regarding Flying Object Incidents. A cursory examination of evidence on reported incidents has been made and it is possible to cite certain generalities which it appears may be borne out when detailed analyses have been completed. Among the incidents reported there are many statements by reliable and experienced persons which tend to confirm that flying ob- jects have been seen. The description of such objects seems to fall roughly into three categories: (1) Silver disks or balls, approximating a Horton wing type aircraft; (2) Balls of fire of various colors and intensities; (3) Cigar or pencil-shaped objects similar in appearance to V-2 type rockets in horizontal flight. The numbers of configurations
Report, from the pursue collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 67 pages are in the text index: search them above, or from the library's search.