Sighting in Ellsworth AFB, December 1957
South Dakota, United States
Sighting reported in December 1957 (Ellsworth AFB, South Dakota, 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
- December 1957
- Location
- Ellsworth AFB · town centre
- Type of sighting
- From the ground
Sources
- See the original document
Project Blue Book (NARA)
n° 28976053
Summary written by SkyUnknown from the facts published by the source.