Documents / Report
This August 1949 technical report from the US Air Force Air Materiel Command presents Project Grudge's investigation of unidentified flying objects through January 1949. Drawing on consultants including Dr. J. A. Hynek, Rand Corporation, the Air Weather Service and Dr. P. M. Fitts, it explains most of 244 incidents as balloons, aircraft, astronomical phenomena, hoaxes or psychological errors. It concludes the objects pose no direct threat to national security and recommends reducing the investigation in scope.
## UNCLASSIFIED Involunt y170, a -- Jastro's manah, Valferain -- 16 September 1945 The two carriers of this invalid note, in several respects, directly contradictory statements diffuse object verbal definite box-shaped object, earlier line of flight versus north-west; other—They appear on spoon (very fact). It does not seem likely that the incident can be explained astronomically. The only possible astroconical hypothesis would be that the object observed was the smoke mass from an exploded fire-bull, which would probably have an azoto-like shape, agreeing with the description of one witness. At noon a meteor outward-bound from the region of the sun could approach the earth head-on, explode, and not leave any long trail. however, in view of the conflicting descriptions, very little weight can be given to the whole inidious. Perhaps the observers here looking at different things. There was a most sound waited airline plane in the vicinity at approximately that time one observer may have seen that. The description of one observer suggests a box-like, such as those once used by weather observers
Report, from the classic collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 413 pages are in the text index: search them above, or from the library's search.