US National Archives and Records Administration
Project Blue Book: the complete case files
The US Air Force investigated 12,618 sightings between 1947 and 1969. The case files, project cards and administrative records are all held by the US National Archives.
- Archive
- US National Archives and Records Administration
- Date of document
- 17 Dec 1969
- Classification
- Declassified
- Reference
- Record Group 341
- Licence
- Public domain — US federal government work
Hosted by US National Archives and Records Administration. We link rather than rehost, so you are always one click from the original.
First page
Extract
Of the 12,618 sightings reported to Project Blue Book, 701 remained unidentified. The project was terminated in December 1969 following the recommendations of the Condon Report.
Transcribed from the original. The full document is available above.
