On the record

Blue Book Closes

Catalog FG-042When December 17, 1969Where Washington, D.C.

The Air Force gets out of the UFO business.

Air Force Secretary Robert Seamans announced the end of Project Blue Book, citing the Condon report. The Air Force said no UFO had threatened national security or shown technology beyond present knowledge, and there was no evidence they were extraterrestrial.

Weigh the evidence

The ledger

What the record shows, what people say, and the best explanation available so far.

What's documented

  • The announcement and Air Force fact sheet are public.

What's claimed

  • Investigations moved underground.

Best explanation so far

After 1969 there was no public U.S. government UFO program until the 2000s.

Where to look

Check the sources

Go to the originals. Every link opens the archive or record in a new tab.