Project 10073 Record Card — Salt Lake City, Utah, 1 June 1958

This document is a Project 10073 record card and associated teletype message detailing a UFO sighting that occurred on June 1, 1958, in Salt Lake City, Utah. The witness, a civilian, observed a single object from their backyard at approximately 0225Z. The object was described as having a saucer shape with a half-bubble underneath, exhibiting a bluish color with a green glow. The witness reported that the object made no sound and moved at a high rate of speed, initially traveling from east to west before performing a 180-degree turn and heading west to east, eventually disappearing behind trees. The duration of the observation was noted as being only a few seconds. The official investigation, conducted by the 34th Air Division and reported to the Air Technical Intelligence Center, concluded that the object was likely an aircraft. This conclusion was supported by the fact that two jet aircraft were confirmed to be in the Salt Lake City area at the time of the sighting, with one departing for Albuquerque and the other arriving from the same location. The report includes weather data for the area, noting few scattered clouds and good visibility. The document is marked as unclassified.