Project Blue Book UFO Investigations

Project Blue Book was the code name of the U.S. Air Force’s UFO investigations from 1952 to 1970.
This project was the last publicly known UFO research project led by the U.S. Air Force.

Project Blue Book had two aims, to establish if UFO's were a threat to national security, and to scientifically analyze UFO-related data.
Over 15,000 UFO reports were collected and analyzed by the time the project ended in January 1970.

Evidence exists that some UFO reports bypassed Project Blue Book entirely, and that the U.S. Air Force continued to collect and study reports of UFO's after the official end of the project.
Officially, these claims are denied by the U.S. Air Force.

Project Blue Book Archive
The Blue Book Archive provides a modern interface to documents relating to the U.S. government's investigation of UFO phenomena.

Download Blue Book Reports
PDF format versions of Project Grudge and Blue Book Status and Special Reports 1-12 & 14 are now available for download.

Many UFO researchers believe that members of Project Blue Book were under pressure to find 'wordly' explanations for UFO sightings to calm public hysteria.

Because of this, any report that could not be easily labelled were passed on to a higher and less accounatable authority that never reported the results to the public.
These theories have been supported by recent releases of CIA documents.