The storied Project Blue Book case files are teeming with UFOs.
The CIA's legendary Project Blue Book is now fully declassified and available to read online. An official investigation by the CIA into the existence of UFOs, aliens and all the other eerie stuff that The X-Files is made of, Project Blue Book, also known as Project Sign and Project Grudge, existed from the late 1940s through 1967. Read all of its 140,000 pages and more than 10,000 case files on UFO enthusiast John Greenewald's website The Black Vault.
Some choice excerpts and images: