Documents / Memo
This CIA file, released in 2001, gathers 1952 memoranda from H. Marshall Chadwell, Assistant Director of the Office of Scientific Intelligence, to the Director of Central Intelligence, along with draft letters to the Secretary of Defense and the NSC and a briefing on the Air Force position. It concludes that flying saucers carry national security implications, namely mass panic and air defense vulnerability. It recommends expanded scientific research, a public information policy and study of Soviet interest, noting that about 20 percent of roughly 1500 Air Force reports remained unexplained.
“Office of Special Investigations”2 pages
# SECRET defense could not operate effectively if the Air Force were constantly called upon to intercept mirages which persons had mistaken for enemy aircraft.
Memo, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 36 pages are in the text index: search them above, or from the library's search.