The Air Force files on UFOs have been declassified and are now online.

All 130-thousand pages of Project Blue Book have been posted on a website called The Black Vault, a database by UFO chaser John Greenewald.

Greenewald has been filing Freedom of Information requests for government UFO files for almost 20 years.

Greenewald's requests finally paid off, and on January 12th, he posted Project Blue Book on his website in PDF form.

Project Blue Book documents over 12-thousand sightings of strange phenomena investigated by the Air Force between 1947 and 1969.

About 700 of those sightings remain "unidentified."

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