Documents / FOIA release
This Central Intelligence Agency memorandum, dated 18 December 1952 and issued by the Assistant Director for Scientific Intelligence, reports on unidentified flying objects. It summarizes lab analysis of a 2 July 1952 film from Utah that shows about ten bright objects, which the analysts judged very unlikely to be birds or balloons. It also covers a sighting that was matched to the planet Jupiter and a scoutmaster's disputed report from West Palm Beach. It concludes that the sightings pose no direct threat but carry potential dangers, including mass hysteria and overloaded communications systems.
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FOIA release, from the cia-readingroom collection. The PDF is mirrored here; the original link is above. 6 pages are in the text index: search them above, or from the library's search.