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This USAF Project Blue Book file, distributed by NICAP, covers the radar and visual sightings at Bentwaters and Lakenheath, England, on 13 and 14 August 1956. It contains the record card, Air Intelligence Information Reports, ATIC correspondence with Dr. J. Allen Hynek, and a retired controller's later letter to the University of Colorado describing an RAF interceptor being tailed. The Air Force attributed the radar returns to anomalous propagation and meteors, and the visual sighting to Mars.
Read from the scan by GLM-OCR; expect the odd misread word.
SUBJECT: (Unclassified) Unidentified Flying Objects Reporting (UFOB) RETRIEVAL INFO: 4E41/1 - England/--------/UP09/--------- Most significant are the reports of three courses of UFOBS tracked on the Bentwaters GCA Radar. Those UFOBS flew courses as follows: 1 group of 12 to 15 UFOBS FROM a point 6 miles SW of Bentwaters to approximately 40-45 miles NE of Bentwaters at an estimated speed of 60 to 125 miles per hour; a single UFOB was tracked by the Bentwaters GCA from approximately 25 miles SE of Bentwaters to approximately 15 miles NE of Bentwaters at a speed estimated at more than 4,000 miles per hour; a third UFOB was reported as tracked by the Bentwaters GCA from approximately 30 miles E. of Bentwaters flying a westerly course to about 30 miles west of Bentwaters at an exceptionally high speed. The GCA Operators making these radar sightings were of the opinion that malfunctions of the GCA Equipment did not cause these radar sightings. The following information was obtained from USAF personnel assigned to EAF Station, Seawaters, England concerning visual and radar sightings of Unidentified Flying Objects in the vicinity of their assigned station during the period 21202 to 22202, 13 August 1936. The reliability of all the following sources of information is estimated to be usually reliable.
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. 22 pages are in the text index: search them above, or from the library's search.