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This Project Blue Book case file covers the 7 January 1948 incident at Godman Field, Fort Knox, Kentucky, which the file itself calls the famous "Mantell case." It holds control tower witness statements describing a large, bright object and the three P-51s sent to pursue it, whose flight leader, Mantell, stopped answering after climbing past 15,000 feet. It also includes weather data and Air Materiel Command correspondence. One analysis concludes that the object was not Venus and that the sighting must be considered unexplained.
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estimated size: 100 ft from top to bottom, 43 ft across and 4 miles high proceeding SW at 10 MPH. NOTE: Kentucky State Police were informed by unknown individual (a) that an unusual aircraft or object was flying thru the air, circular in appearance, with an approximate size of 250-300 ft which was moving westward "at a pretty good clip". This was relayed to Godman Fld. NOTE: See also report by James Hudson, Inc. 48b NOTE: Course of object on 7 July 48 is reported roughly as follows: 0720C Edwardsville, Illinois: Object of aluminum appearance without apparent wings or control surfaces which moved southwest remaining visible for about 30 minutes 1300: Elizabethtown: No description 1310: Lexington, Ky. Madisonville, Ky. - as reported in this. 1400: Maysvitts: No description After 1400: Irvine: No description After 1400: Cwensboro. No description 1630C-1645C: Nasoville, Tenn: A Dr. Seyfert, Astronomer at Vanderbilt Univ. spotted an object SSE of Nashville, Tenn. between 1630C with basket attached which moved first SSE then West at a speed of 10 MPH at approx 25,000 ft. 1735: Godman Fld Control Tower: See Crner's account (33a) See Duesler account (33c) EST 1925: Lockbourne AB, Columbus, Ohio: See Incident 30, 30a, 30 b & 30c
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