Project 10073 Record — Castle Rock, Colorado, 24 June 1966

This document is a Project 10073 record detailing a UFO sighting that occurred on June 24, 1966, near Castle Rock, Colorado. A civilian witness reported observing a single orange-white, disc-shaped object. The object was initially seen by one individual, followed by a group of 30 people. The object was described as being 8-10 degrees above the horizon, moving rapidly from North to East, then reappearing in the North and traveling South. The object reportedly hovered and then moved away during a third sighting. The duration of the observation was between 15 and 35 seconds, and the witness reported that the object was silent and emitted a bright, pulsating light. The report includes meteorological data for the area, noting unstable conditions and minor inversions. Major Richard J. Ghel, an Assistant Base Operations Officer at Peterson Field, Colorado, conducted the preliminary analysis. His conclusion was that the object was likely aircraft clearance lights. The report notes that the witness was considered reliable.