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CIA-UAP-014, British activity in the Field of "Unidentified Flying Objects" 
CIA PDF RELEASE 2026-06-12 INC. December, 1952 ⌥ 557 WORDS OCR

CIA-UAP-014, British activity in the Field of "Unidentified Flying Objects" 

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This is a CIA memorandum dated 18 December 1952, authored by H. Marshall Chadwell, Assistant Director for Scientific Intelligence. It summarizes a report from a recently arrived British contact who had met with R. V. Jones, the British scientist then overseeing the UK's standing committee on flying saucers, established approximately sixteen months prior. The memo describes a sighting at an unspecified RAF field in Yorkshire, in which a "perfect flying saucer" was observed by senior RAF officials and pilots during a demonstration. The memo also notes that Jones was aware of the Tremonton film taken by a U.S. Navy enlisted man and might formally request a copy.

The document is notable as a direct CIA-to-CIA internal record of liaison between U.S. and British intelligence on UAP matters at the height of the 1952 sighting wave. It confirms an active British government committee under Jones and a specific, publicly reported RAF sighting. Page 2 outlines institutional concerns about UAPs degrading early warning systems and potentially triggering mass hysteria, touching on plans to involve the Federal Civil Defense Administration. A more heavily redacted version of this memo has previously been publicly available on the CIA website; this release restores additional text.

▮ TOP WORDS IN THIS DOCUMENT
jones defense security december memo british field officials public information flying committee incident mass hysteria believed communications seen high pilots under national activity objects britain presumably through people enemy film
A December 1952 Memo on the activities the British are taking to identify UFOs. The memo references a UFO sighting at an RAF field seen by high officials and RAF pilots. A more redacted version of the memo has been available on CIA's public website. 
⌥ 557 words OCR'd

━ PAGE 1 ━

Approved for Release 2026 Under Section 1842 of the National Defense Authorization Act for Fiscal Year 2024 SEGRET Security Information 18 December 1952 Star - 12/30/52 Chamasons 812/21= MEMORANDUM FOR RECORD SUBJECT: British Activity in the field of "Unidentified Flying Objects" 1. On 15 December, the recently arrived messenger from Britain reported the following. He had talked with R. V. Jones and The British have had a standing committee created about sixteen months ago on flying saucers.. Presumably this is now under Dr. Jones through inheritance. The RAF are action people. The group has concluded that the observations are not enemy aircraft and that none have been over Britain. The activity has been quiet and normal up to about ten to twelve days ago, at which time the Yorkshire incident took place. In some RAF field, there was some sort of demonstration to which high officials of the RAF in London had been invited. During the show, a "perfect flying saucer" was seen by these officials as well as RAF pilots. So many people saw it that many articles appeared in the public press. This is disturbing to Jones because he realizes that the creation of the correction of public opinion is a part of his responsibilities. Jones reminded us of the Swedish incident (presumably he refers to the one in 1946), and reminds us of a paper on the origin of meteorites published in the French Academy of Sciences between 1760 and 1780 by Chladni. 5. The traveler told Jones of our interest at this time, mentioned the film which had been taken by the Naval non-commissioned officer (Tremonton incident). It is possible that Jones will write asking for a copy of the film or further on the same subject. Жжс H. MARSHALL CHADWELL Assistant Director Scientific Intelligence Distribution: Opns/SI - 1 P&E/SI - 1 W&E/SI - 1 AD/SI - 2 Sacurity informationi 35

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SCONE Security Information While there is no indication that these objects represent a direct threat to the national defense, there are certain potential dangers which are related to these sightings. These are: 1. The difficulty and delay in positive identification which could weaken the early warning system in alerting defense in the event of commencement of hostilities.* The possibility of mass hysteria which might be pur osely induced by an enemy at a critical time by faked reports 3. The possibility that the emergency commnications systems to command headquarters might be seriously overloaded at a critical time by such reports. It is believed that the problems of communications confusion and overload and the serious effects of mass hysteria must be dealt with outside the intelligence community, and it is planned to bring these matters to the attention of those agencies with whom the prime respon- sibility appears to rest. With respect to mass hysteria, it is believed this problem would lie with the Federal Civil Defense Administration and/ or the Interdepartmental Committee on Internal Security. Accordingly, it is planned to bring this to the attention of the FCDA and ICIS through established channels. With respect to emergency communications overload- ing, it is believed that each of the individual Military Services should examine this problem. Accordingly, we intend to introduce the subject at a meeting of the Joint Communications and Electronics Committee. # According to Brij. Geu.Arl Maxwell (RDB) ADC is"coquizintot this potentiäl danger, and dees"express concern" Security Information
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