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This file, from NICAP and CUFOS, collects US Air Force Office of Special Investigations records from 1949 on a Project Grudge special inquiry into a sighting at Rogue River, Oregon, on 24 May 1949. NACA Ames Laboratory employees Gilbert Rivera and Don Heaphy described a silvery pancake-shaped object about 30 feet across that sped off like a jet. An annotated analysis that follows rejects the radar kite explanation and concludes that the case must remain unexplained.
“Rogue River”15 pages
Read from the scan by GLM-OCR; expect the odd misread word.
ADDENDUM: ROGUE RIVER, OREGON; MAY 24, 1949; 1700 HRS LOCAL TIME The case referred to in the text, in which aeronautical engineers of an aeronautical laboratory sighted an object, is case X in BB#14. I picked this case out of the "twelve good" UFO reports because it seemed most interesting. According to BB#14, this was a multiple witness sighting of over a minute (to several minutes) duration and one of the observers used binoculars to observe the object. The drawing presented in BB#14 is rather detailed, and certainly does not resemble a conventional aircraft. The summary of the report, as given in BB#14, along with the sketches, are presented below: An employee in the supersonic laboratory of an aeronautical laboratory and some other employees of this lab, were by a river, 2 1/2 miles from its mouth, when they saw an object. The time was about 1700 hours on May 24, 1949. The object was reflecting sunlight when observed by naked eye. However, he then looked at it with 8-power binoculars, at which time there was no glare. (Did glasses have filter?) It was of metallic construction and was seen with good enough resolution to show that the skin was dirty. It moved off in a horizontal flight at a gradually increasing rate of speed, until it seemed to approach the speed of a jet before it disappeared. No propulsion was apparent. Time of observation was 2 1/2 to 3 minutes.
Document, cited by the archive. 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. 28 pages are in the text index: search them above, or from the library's search.