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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
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AIR INTELLIGENCE INFORMATION REPORT FROM (Agency) REPORT NO. Unconventional Aircraft INCLOSURE: "Tuesday May 24th about 5:00 P.M. -- 2½ miles up Rogue River from mouth in Oregon was vantage point. When my attention was called to an object in the sky it appeared like a round shiny object such as a round mirror with the sun shining on it and the mirror standing on edge. With the naked eye the appearance never changed. It appeared to be stationary when I first saw it. There was another party looking at it with a pair of 8-power glasses during this time. As it started to move slowly to the right and it was at an up angle of about 60° I took the 8 power glasses and looked. With the glasses there was no glare. It was flat and round like a pancake and a little thicker in the center than on the edges but appeared to be flat on the bottom. The pancake part seemed to be slightly oblong and instead of being on edge it was lying flat. I would say it was 25 or 30 feet in diameter. The edge had a outward round radius and looked about 1 foot thick. The trailing edge as it traveled had a rough appearance. As it traveled I noticed a fin starting from nothing about midship and becoming higher as it reached the trailing edge of the pancake but it did not protrude past the edge. The fin appeared small in relation to the rest. The fin was round on top and a inward radius on the side. The fin looked fairly thick midship and very thin at the rear. SEE ATTACHED SKETCH: It looked as if it was built out of aluminum and some of the metal looked a little dirty. I looked very close for propellers or a jet stream but could see none. We listened very close for a noise but there was no sound of any kind. It appeared to be at an altitude of about 5,000 feet. I looked at it about two minutes or more with the glasses until it disappeared in the distance. The last 1/2 minute or so I watched it, it looked as though its speed was about like a jet plane. There were five of us watching it. Two of us looked at it with the 8 power glasses. I could see no openings such as doors or windows or holes of any kind. Don Heaphy 1x3 Also observed by -- Gilbert Rivera (Drafting section) and three others." NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, 50 U. S. C. 31 AND 32, AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW. IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF INTELLIGENCE, USAF.
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