Document for December 3rd:
Message from Commander, Air Technical Information Center to Commander, Air Defense Command reporting the sighting of an unidentified flying object

Message from Commander, Air Technical Information Center to Commander, Air Defense Command reporting the sighting of an unidentified flying object with sketch of location, 12/03/1957; Project Bluebook #5415; Records of Headquarters U.S. Air Force (Air Staff); Record Group 341; National Archives and Records Administration
From the records of the Air Force’s "Project BLUE BOOK," this message dated December 3, 1957, references the sighting of an "unidentified aircraft" by the pilot of an Air Force F-86 in the skies over Joliet, Illinois on November 27. From 1947 to 1969, a total of 12, 618 sightings were reported to Project BLUE BOOK. Of these 701 remain "Unidentified."
More about the records of Project BLUE BOOK...
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Censure of Senator Joseph McCarthy
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