Compilation of USAF Blue Book Reports

The following PDF file is from the National Institute for Discovery Science... It's a reasonably thorough paper that was written for them. It's about 'unknowns' encountered by Project Blue book

216.128.67.116...


Project Blue Book was the USAF's third (official) UFO research project, after Sign and Grudge. In its early years it was run by a captain Ruppelt, who was respected by UFOlogists for taking a fair approach to sightings.

For more info on it, check out either NICAP or CUFOS' websites.

Jim