USAF · 1947 to 1969
Project Blue Book Case Files
The U.S. Air Force's 22-year investigation into reported UFO incidents, drawn from the National Archives. Each case below has a journalistic summary written from the original file. Use the search box to find a place or date, or filter by state and year.
7 cases in CO from 1957 · page 1 of 1
Colorado Springs, CO
1957 · unidentifiedOn March 9, 1957, at dusk, a civilian in Colorado Springs, Colorado reported observing two objects that appeared to be connected and floating. The witness said the objects looked l…
Glenwood Springs, CO
1957 · unidentifiedOn January 16, 1957, a civilian observer in Glenwood Springs, Colorado reported seeing one circular, clear, bright light in the sky. The object was described as small and orange an…
Kremmling, CO
1957 · unidentifiedOn October 6, 1957, at 1:05 p.m., a civilian in Kremmling, Colorado reported seeing a round object about the size of a quarter at arm's length. The object was red at first, then ch…
Longmont, CO
1957 · unidentifiedIn July 1957, a rancher working about six miles west of Longmont, Colorado observed an unusual craft hovering in the early morning sky. He was raking hay south of his farmhouse whe…
Near Denver, CO
1957 · unidentifiedOn May 2, 1957, at about 11:30 p.m. local time, a civilian near Denver, Colorado reported a sighting. The witness was a technical motion picture writer based in Orlando, Florida. T…
Pueblo, CO
1957 · unidentifiedOn August 22, 1957, around 2320 (11:20 p.m.) local time at the Pueblo Airport in Pueblo, Colorado, a control tower operator saw two round white objects through binoculars. Each was…
Villa Grove, CO
1957 · unidentifiedOn the evening of June 24, 1957, a resident of Villa Grove, Colorado spotted an unusual object in the sky while standing near a highway. The witness described the object as round a…
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