Project 10073 Records - Colorado Springs, Colorado, April 1966

This collection of documents comprises a series of Project 10073 records and incoming Air Force messages from April 1966, documenting multiple unidentified aerial phenomena (UAP) sightings in the vicinity of Colorado Springs, Colorado. The reports detail various civilian and military observations, ranging from single objects to groups of up to fifteen. Witnesses described objects with diverse characteristics, including round, saucer-shaped, disk-like, and cylindrical forms, often displaying red, green, white, or yellow lights. Behaviors reported included erratic movement, bouncing, circling, and rapid climbing. Major Edward L. Stricker, the Assistant Base Operations Officer at Peterson Field, provided preliminary analyses for these reports. Many of the sightings were officially concluded to be astronomical phenomena (stars or planets), artillery flares fired from the nearby Ft Carson range, or conventional aircraft. One specific report involving a group of girls observing objects in the sky was attributed to reflected sunlight off birds. Another report of a cylindrical object was concluded to be a meteor. Despite the varied descriptions, the Air Force investigations consistently sought to correlate the sightings with known activities, such as military training exercises or standard air traffic patterns. The documents include technical information forms completed by witnesses, correspondence from Major Hector Quintanilla, Jr., Chief of Project Blue Book, and official military message traffic summarizing the reports and their subsequent evaluations.