PROJECT 10073 RECORD CARD — Warrenville, Illinois, 11 August 1963

This document consists of a Project 10073 record card and a subsequent UFO Sightings & Information Sheet issued by Hq USAF SAFOI-PB. The primary report details a sighting in Warrenville, Illinois, on August 11, 1963, between 21:00 and 22:00 local time. A civilian witness reported observing an object moving from the southeast to the northwest across the horizon. The object was described as a series of flashes, appearing eight times over a duration of 15 to 20 seconds. The witness noted that the object moved at approximately half the speed of a meteor and produced no sound. The witness's wife also observed a third pass of the object. The witness, who had been outside looking for falling stars, noted that the object remained invisible for most of the time except for the flashes. He also observed the object with a neighbor on a subsequent pass, noting it passed directly overhead toward the northwest and resembled a firefly in its straight-line movement. The official conclusion for this incident was recorded as 'UNIDENTIFIED'. The information sheet also references other sightings, including one on August 16, 1963, and another on September 14, 1963, both of which were also categorized as unidentified. The document concludes with a note regarding a sighting on October 7, 1963, involving a bright light observed by six individuals in Lanham, Maryland, which was also deemed impossible to identify.