Sighting in Grand Valley, April 1953
Colorado, United States
Sighting reported in April 1953 (Grand Valley, Colorado, United States) and investigated by Project Blue Book, the US Air Force UFO investigation (1947-1969). The Air Force's conclusion is in the digitised case file held by the US National Archives.
The original file is a set of scanned documents (reports, sketches, correspondence) that has not been transcribed yet. You can browse it page by page through the source link.
- Date
- April 1953
- Location
- Grand Valley · town centre
- Type of sighting
- From the ground
Sources
- See the original document
Project Blue Book (NARA)
n° 28954334
Summary written by SkyUnknown from the facts published by the source.