In the summer of 1952, radar operators at Washington National Airport and Andrews Air Force Base tracked unexplained returns near the capital, and UFO reports surged nationwide. On 13 October 1952 a CIA memorandum noted that the Air Force had explained all but 20 percent of 1,500 reported sightings, and warned that "the enemy might take advantage of the confusion created by the Flying Saucers to use at his convenience some air weapon against the United States." In December the Intelligence Advisory Committee agreed that the Director of Central Intelligence should enlist scientists to review the evidence.
Five met from 14 to 18 January 1953: the physicist H. P. Robertson of Caltech as chairman, Luis Alvarez, Lloyd Berkner, Samuel Goudsmit and Thornton Page. J. Allen Hynek and Frederick Durant sat as associate members, and Durant wrote the minutes. They were shown 75 case histories selected by the Air Technical Intelligence Center as the best documented, material on the green fireballs of New Mexico, and two motion picture films - from Tremonton, Utah and Great Falls, Montana. The CIA's own later history put their working time at about twelve hours.
The films produced the sharpest disagreement in the file. Navy photo interpreters had spent roughly 1,000 man-hours on the Tremonton film and told the panel the objects were "not birds, balloons or aircraft" and were "self-luminous." The panel "could not accept the conclusions reached," and after watching a short film of seagulls in bright sunlight concluded the motions and brightnesses suggested birds. Four months later the Navy's written analysis still described the images as light sources it could not identify. In 1969 the University of Colorado study agreed with the panel about Tremonton, but left the Great Falls film unexplained.
The signed report found "no indication that these phenomena constitute a direct physical threat to national security," but held that continued emphasis on reporting them was "a threat to the orderly functioning of the protective organs of the body politic" - through clogged channels, false alarms, and "a morbid national psychology" open to hostile propaganda. It recommended that national security agencies "strip the Unidentified Flying Objects of the special status they have been given and the aura of mystery they have unfortunately acquired," through intelligence, training and public education. The minutes go further, describing a "debunking" aim pursued through "television, motion pictures, and popular articles."
What followed is documented in the same release. A CIA status memo of December 1953 credited the year's drop in sightings to "actions following these recommendations" while warning of "the risk taken by the present policy." The Air Force's Special Report No. 14 (1955) called it "highly improbable" that any case represented technology beyond present-day science. In 1966, after an Air Force office said it wanted a scientific group that would "help get the Air Force off the hook," a committee including Carl Sagan reviewed this 1953 report and recommended the opposite: university teams to investigate sightings, which led to the Condon study. Key passages of the panel's file are transcribed below, with page numbers, followed by the full narration transcript.
SECRET / Security Information (markings struck through; declassified) 17 January 1953 (report); 13 March 1953 (transmittal)
CIA Scientific Advisory Panel on Unidentified Flying Objects - report, tabs and minutes (1952-1953)
What the file contains
- Cover letters of 12-13 March 1953 sending the report to the Secretary of Defense, the Federal Civil Defense Administration and the White House (pp. 2-7)
- The signed two-page Report of the Scientific Panel on Unidentified Flying Objects, 17 January 1953 (pp. 8-9)
- Tab B, the evidence presented to the panel (pp. 10-11)
- Tab C, the members, associate members and interviewees (pp. 12-13)
- The panel's minutes, written by F. C. Durant III, covering the meetings of 14-18 January 1953 (pp. 15-34)
- Supporting correspondence from October and November 1952 and February 1953 (pp. 36-41)
The signed report, 17 January 1953
The panel met, in its own words, "Pursuant to the request of the Assistant Director for Scientific Intelligence," and reviewed evidence from "cognizant intelligence agencies, primarily the Air Technical Intelligence Center." (p. 8)
Its first conclusion was that the evidence "shows no indication that these phenomena constitute a direct physical threat to national security." The panel added that there is "no residuum of cases which indicates phenomena which are attributable to foreign artifacts capable of hostile acts," and no evidence of "a need for the revision of current scientific concepts." (p. 8)
It then named a second, indirect danger: that continued emphasis on reporting these phenomena "does, in these parlous times, result in a threat to the orderly functioning of the protective organs of the body politic." (p. 8)
The examples given are "the clogging of channels of communication by irrelevant reports," "the danger of being led by continued false alarms to ignore real indications of hostile action," and "the cultivation of a morbid national psychology in which skillful hostile propaganda could induce hysterical behavior and harmful distrust of duly constituted authority." (pp. 8-9)
Its central recommendation was "That the national security agencies take immediate steps to strip the Unidentified Flying Objects of the special status they have been given and the aura of mystery they have unfortunately acquired." (p. 9)
The panel also recommended policies on "intelligence, training, and public education," suggesting "an integrated program designed to reassure the public of the total lack of evidence of inimical forces behind the phenomena." (p. 9)
- Signed: H. P. Robertson, Chairman - California Institute of Technology
- Luis W. Alvarez - University of California
- Lloyd V. Berkner - Associated Universities, Inc.
- S. A. Goudsmit - Brookhaven National Laboratories
- Thornton Page - Johns Hopkins University
Tab B - evidence presented (p. 10)
- Seventy-five case histories of sightings 1951-1952, selected by ATIC as those best documented
- ATIC status and progress reports of Project GRUDGE and Project BLUE BOOK
- Progress reports of Project STORK (Battelle Memorial Institute contract work supporting ATIC)
- Summary report of sightings at Holloman Air Force Base, New Mexico
- USAF Cambridge Research Center investigation of "Green Fireball" phenomena (Project TWINKLE)
- Outline of investigation of UFOs proposed by Kirtland Air Force Base (Project POUNCE)
- Motion picture films of sightings at Tremonton, Utah, 2 July 1952, and Great Falls, Montana, August 1950
- Summary report of 89 selected cases (formations, blinking lights, hovering and others)
- Draft ATIC manual, "How to Make a FLYOBRPT"
- Charts of unexplained sightings in 1952, balloon launching sites, balloon flight paths, report frequency 1948-1952, and categories of explanations
- Kodachrome transparencies of polyethylene film balloons in bright sunlight showing high reflectivity
Tab C - who took part (p. 12)
- Members: Dr. H. P. Robertson, chairman (Caltech, physics and weapons systems); Dr. Luis W. Alvarez (University of California, physics and radar); Dr. Lloyd V. Berkner (Associated Universities, geophysics); Dr. Samuel Goudsmit (Brookhaven, atomic structure and statistical problems); Dr. Thornton Page (Johns Hopkins, astronomy and astrophysics)
- Associate members: Dr. J. Allen Hynek (Ohio State University, astronomy); Mr. Frederick C. Durant (Arthur D. Little, Inc., rockets and guided missiles)
- Interviewees named on this page: Brig. Gen. William M. Garland, commanding general, ATIC; Dr. H. Marshall Chadwell, Assistant Director, O/SI, CIA; Mr. Ralph L. Clark, Deputy Assistant Director, O/SI, CIA. Further names appear on the following page.
From the minutes: the two films
Navy photo analysts had put roughly "1000 man-hours" into frame-by-frame plots of the Tremonton film. Their view was that the objects "were not birds, balloons or aircraft," were "not reflections because there was no blinking while passing through 60 degrees of arc" and were "therefore, 'self-luminous'." (p. 22)
The panel was "impressed by the evident enthusiasm, industry and extent of effort" of that team but "could not accept the conclusions reached." After viewing "a short film showing high reflectivity of seagulls in bright sunlight," it held that the objects' "apparent motions, sizes and brightnesses" suggested "strongly" that they were birds. (p. 22)
It also objected to the method: the light-intensity analysis was "made from duplicate rather than original film," and the technique "appeared faulty because of unsuitability of equipment and questionable assumptions in making averages of readings." (p. 23)
Of the second film the minutes say: "Objects in the Great Falls case were believed to have probably been aircraft, and the bright lights such reflections." (p. 23)
From the minutes: the dangers
Under "Potential Related Dangers," the panel agreed that "evidence of any direct threat from these sightings was wholly lacking," while listing misidentification of real enemy artifacts, "overloading of emergency reporting channels" (Berkner's "noise to signal ratio" analogy) and public "vulnerability to possible enemy psychological warfare." (p. 25)
The concern is stated plainly: if UFOs "become discredited" or "if reporting channels are saturated with false and poorly documented reports, our capability of detecting hostile activity will be reduced." (p. 25)
From the minutes: education and "debunking"
The minutes record that a "'debunking' aim would result in reduction in public interest in 'flying saucers,'" and that "this education could be accomplished by mass media such as television, motion pictures, and popular articles." (p. 30)
The reasoning offered: "As in the case of conjuring tricks, there is much less stimulation if the 'secret' is known." The aim was to "reduce the current gullibility of the public and consequently their susceptibility to clever hostile propaganda." (p. 30)
Names floated for such a program included the psychologist Dr. Hadley Cantril, an advertising expert, the broadcaster Arthur Godfrey, the wartime training-film maker the Jam Handy Co., and "Walt Disney, Inc. animated cartoons." Dr. Hynek suggested that America's amateur astronomers might help "to spread the gospel." The minutes add that "the use of true cases showing first the 'mystery' and then the 'explanation' would be forceful." (p. 31)
Under "Unofficial Investigating Groups," the minutes note the "Civilian Flying Saucer Investigators" (Los Angeles) and the "Aerial Phenomena Research Organization" (Wisconsin), and say "such organizations should be watched because of their potentially great influence on mass thinking if widespread sightings should occur," adding that "the apparent irresponsibility and the possible use of such groups for subversive purposes should be kept in mind." This passage is in the minutes of the discussion, signed by F. C. Durant III - not in the report the five scientists signed. (pp. 33-34)
Related documents in the same release
A CIA memorandum of 13 October 1952 to the Deputy Director (Intelligence) records that Air Force research had "provided" an explanation "on all but 20 per cent of the total 1500 reported sightings of Flying Saucers," and that review of existing information "does not lead to the conclusion that the saucers are USSR created or controlled." (CIA-UAP-002, p. 38)
The covering letter of 13 March 1953, signed by Richard D. Drain for the Intelligence Advisory Committee, says the panel "was convened at the direction of General Smith," and that "this Agency does not consider problems arising from sightings of 'flying saucers' primarily its concern." (p. 4; also DoW-UAP-D085)
A CIA status memorandum of 17 December 1953 reports that "approximately ten percent of the reported sightings have been tagged as unsolved," that the drop in sightings during 1953 "could be attributed to actions following these recommendations," and that recent books "illustrate the risk taken by the present policy. There are no other as yet apparent results of these recommendations." (CIA-UAP-007)
Project Blue Book Special Report No. 14 (5 May 1955) concluded it was "highly improbable that any of the reports of unidentified aerial objects examined in this study represent observations of technological developments outside the range of present-day scientific knowledge," noting "a complete lack of any valid evidence consisting of physical matter." Its own tests nonetheless found that in "five of the six cases, the probability is less than 1 per cent that the distributions" of knowns and unknowns "are the same." (CIA-UAP-015)
In January 1966 an Air Force information office memorandum said it "wants some prestigious scientific group to look at the UFO problem in depth and come up with a position that will help get the Air Force off the hook," and supplied the 1953 panel report as "the last time that a group of scientists looked into the scientific aspects of the UFO problem." The committee that followed, chaired by Brian O'Brien and including Carl Sagan, recommended instead that the Air Force "form teams at universities located strategically around the country" - the path that led to the Condon study. (DoW-UAP-D092)
Approved for release through the CIA Historical Review Program (stamped 7 June 1991) and declassified at the National Archives; published in the 2026 PURSUE release as CIA-UAP-002. This is a KEY PASSAGES edition: the quoted extracts below are transcribed from the page scans, with page numbers, and the connecting text is our summary. The panel's report and minutes are reproduced in full in the public Condon Report (1968-69), Appendix U. · Central Intelligence Agency, Office of Scientific Intelligence (CIA-UAP-002)
[The Summer Of 1952]
In July 1952, radar scopes at Washington National Airport and Andrews Air Force Base tracked unexplained blips near the capital. A week later, the blips came back. That summer, UFO reports poured in.
By October, a memo reached the C.I.A.'s Deputy Director for Intelligence. Subject: flying saucers.
The Air Force, it said, had explained all but twenty percent of fifteen hundred reported sightings. And there was a worry. An enemy might take advantage of the confusion to use some air weapon against the United States.
The memo found no reason to conclude the saucers were Soviet made. What it wanted was fundamental scientific research, to work out what they were, and how to identify them instantly.
According to the agency's own historian, its director, General Walter Bedell Smith, wanted to know whether the Air Force investigation was objective, and whether the phenomenon had any use in psychological warfare. In January 1953, a panel of scientists met to find out.
[Five Scientists]
The chairman was H. P. Robertson of Caltech, a physicist who worked on weapons systems. With him, Luis Alvarez, physics and radar. Lloyd Berkner, geophysics. Samuel Goudsmit, atomic structure and statistics. And Thornton Page, astronomy.
Two associate members sat in: the Ohio State astronomer J. Allen Hynek, and Frederick Durant, a rocket specialist who wrote up the minutes. Air Force and C.I.A. intelligence officials briefed them.
The evidence: seventy five case histories from 1951 and 1952, picked by the Air Force's technical intelligence center as the best documented. Reports on the green fireballs over New Mexico. And two films, shot at Tremonton, Utah, and Great Falls, Montana. The C.I.A.'s historian later put their time on it at about twelve hours.
[The Films]
Navy photo analysts had spent about a thousand man-hours on the Tremonton film, frame by frame. They told the panel the objects were not birds, balloons or aircraft, were not reflections, and were therefore self-luminous.
The panel was impressed by the effort, and could not accept the conclusion. After viewing a short film of seagulls in bright sunlight, it said the motions, sizes and brightness strongly suggested birds.
It also faulted the method. The brightness analysis was made from a duplicate rather than the original film, with equipment the panel called unsuitable.
The Great Falls objects, it decided, had probably been aircraft, and the bright lights reflections.
The Navy analysts did not change their minds. Their written report that May still called the images light sources they could not identify, and ruled out birds, aircraft and balloons.
Years later, the University of Colorado study for the Air Force agreed that Tremonton looked like a flock of birds. But it said the Great Falls film remained unexplained.
[No Threat, But]
On the seventeenth of January, 1953, the five signed a two page report.
Its conclusion: no indication that these phenomena were a direct physical threat to national security. No cases pointing to foreign artifacts capable of hostile acts. And no evidence that science itself needed revising.
But it named a different danger. Continued emphasis on reporting these phenomena, it said, was, in these parlous times, a threat to the orderly functioning of the protective organs of the body politic.
Clogged communication channels. False alarms that could lead defenders to ignore a real attack. And a morbid national psychology, in which hostile propaganda could induce hysteria and distrust of authority.
The minutes spell out the fear. If reporting channels are saturated with false and poorly documented reports, the capability of detecting hostile activity will be reduced.
[The Aura Of Mystery]
So the panel recommended that the national security agencies take immediate steps to strip unidentified flying objects of the special status they had been given, and the aura of mystery they had unfortunately acquired.
And an integrated program, to reassure the public of the total lack of evidence of hostile forces behind the phenomena, and to train personnel to recognize and reject false indications quickly.
The minutes go further. The debunking aim, they say, would reduce public interest in flying saucers, using television, motion pictures and popular articles. As with conjuring tricks, there is much less stimulation if the secret is known.
Members floated partners: an advertising expert, Arthur Godfrey, the wartime training film maker Jam Handy, and Walt Disney animated cartoons. Hynek suggested America's amateur astronomers, to spread the gospel.
On civilian UFO groups in Los Angeles and Wisconsin, the minutes say such organizations should be watched, because of their potential influence on mass thinking, and possible use for subversive purposes. That line is in Durant's minutes of the discussion, not in the report the five scientists signed.
[What Happened Next]
In March, the C.I.A. sent the report to the Secretary of Defense, noting the panel had been convened at the direction of General Smith.
The same letter adds that the agency does not consider problems arising from sightings of flying saucers primarily its concern.
By December, a C.I.A. status memo said the drop in sightings during 1953 could be attributed to actions following the panel's recommendations. It also warned of the risk taken by the present policy.
In 1955 the Air Force completed Project Blue Book Special Report Number Fourteen, a statistical study of more than three thousand cases through 1952. About one in five stayed unknown.
Its own tests found the unknowns did not match the knowns in five of six characteristics. The report called that inconclusive.
And it concluded it was highly improbable that any report represented technology outside the range of present day scientific knowledge.
For years, the C.I.A.'s role stayed hidden. In 1958 the Air Force released three summary paragraphs. In 1966, Robertson himself disclosed the C.I.A.'s involvement on CBS, and a nearly full version appeared in Saturday Review.
That same year, an Air Force public information memo said it wanted a prestigious scientific group to look at the problem, and help get the Air Force off the hook.
The committee that followed, chaired by Brian O'Brien, with Carl Sagan among its members, reviewed the Robertson report, and recommended the opposite of 1953: more science, with university teams investigating sightings. That led to the University of Colorado study.
[Two Readings]
Historians still disagree about what the panel did. Hynek later wrote that it made the subject scientifically unrespectable, for nearly twenty years. Other critics call the review perfunctory, and its conclusions largely predetermined.
Thornton Page, one of the five, said in a 1983 interview there was no predetermined conclusion, and that he had made one of the recommendations himself. A later, secondhand account has him saying the opposite. The Colorado study said little was done to carry out the education program.
And in 2024, the Pentagon's own UFO office described the proposal plainly, as a training and debunking effort, using public media tools, to steer the public away from reporting UFOs.
[Mystery, Then Explanation]
One line in the minutes reads differently today. True cases, showing first the mystery, and then the explanation, would be forceful.
That is close to what this channel does, with one difference. We show you the documents, including the ones where the explanation does not hold. The panel's full file is at ufodata.org. Search Case C-2.
All documents and footage are authentic, public-domain U.S. government releases. Narration is AI-generated text-to-speech.