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.
accident 83, a-; - 2 It seems to this Investigation, be realized in terms of the overreaction: evidence of the manner of disgrace over the meritorious. The stellar magnitude of Venus on January 21 was -2.4, which makes it 30 times brighter than the bright star rotarius. Venus, which as bright as this and similar through interstellar in a host of clouds, could very easily give the effect of a clandestine object with a tail. Concerning the erratic motion reported by some witnesses, this can be said: motion of eleus past the object could give the illusion of rapid movement, as when clouds pass by the ionosphere or the effect could have been a psychological illusion; a third possibility, remote but based on a rarely observed phenomenon, is that, owing to their later presence in the atmosphere, stars near the horizon have seen them to jump about erratically through areas of two or three times the moon's apparent diameter. Venus, when very close to the asteroid, has seen known to twinkle brilliantly with rapidly changing colors. It appears to the present investigator, in examining up the evidence presented, that we are forced to the conclusion that the object observed in the early evening hours of January 7, 1940, at these widely separated localities, was the planet Venus. To assume that a terrestrial object could be located so high as to be visible simultaneously over a wide area, could be such intrinsic brightness (of incredible brightness, far surpassing any known cosmic light), and would be placed essentially at the very location of Venus in the sky over an
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.