1950s: declassified UAP incidents — timeline.
44 UAP cases
The 1950s account for 44 UAP cases in this archive — 1 video, 42 documents, and 1 audio recording — released by CIA, Department of State, Department of War, and 1 more agency under the PURSUE program. Reported locations from the decade include Catalina Island, California, Various, and Tremonton, Utah, among others; some incidents carry no usable location and are excluded from the map. Every year below links to the cases reported in it, and years with enough declassified material get their own dedicated timeline page, linked from the heading. Use the interactive map to see where these incidents cluster, or the knowledge graph to follow a witness, mission or aircraft type across the rest of the archive.
1958 — 2 UAP cases
CIA memo on UFO researcher Leon Davidson, 1958
This is a single-page CIA internal memorandum, dated 9 January 1958, from the Chief, Support Branch, Contact Division to the Chief, Chicago Office, titled 'Case 17708 (Closed) and Dr. Leon Davidson' (reference CII-58-17). It documents a tel
FBI memo: UFO with a crystal dome, Detroit, 1958
A single-page FBI Office Memorandum dated 17 April 1958, from SA Robert Ross Reynolds to the SAC, Detroit (file 100-DE-18221, serial 844), headed "Unidentified Flying Objects". It records that David Weaver of Detroit, Michigan, telephoned t
1957 — 4 UAP cases
UFO report: B-52 crew over Saudi Arabia, 1957 (USAF)
This is a U.S. Air Force Air Intelligence Information Report, classified Secret at the time, dated 19 January 1957 from the 22nd Bombardment Wing at March AFB, California, titled "Report of Unidentified Aircraft Sighting" over Saudi Arabia.
Tremonton UFO film: Navy photographer Newhouse record
This is the official U.S. Navy personnel/service record of Delbert Clement Newhouse (service number 177283), the Chief Warrant Officer (Chief Photographer) and Navy photographer who filmed the July 1952 Tremonton, Utah UFO footage. It is a
UFO sightings over Budapest, CIA report, 1957
This is a 1957 CIA Information Report regarding UFO sightings over Budapest. A more redacted version of this report has been available on CIA's public website.
FBI interview on a 1944 UFO in Germany, Detroit, 1957
A 15-page FBI Detroit file (100-26505, "Unidentified Flying Objects; IS-X", 1957 with a 1966 addition). On 6 November 1957 the Director sent an urgent teletype to the SAC, Detroit: Wladyslaw Krasuski of 5457 Jos. Campau, Detroit, had writte
1956 — 2 UAP cases
UFO report: light seen by F-86D pilot, Guam, 1956
This is a Far East Air Forces Air Intelligence Information Report (IR-7-57) about an unidentified blinking light seen by an F-86D pilot of the 41st Fighter-Interceptor Squadron in the Guam radio-range holding pattern on the night of 31 Dece
UFO sightings and sketch, Budapest, CIA report, 1956
CIA-UAP-013 is a declassified CIA Information Report (Report No. DO-B-93674) titled "Report of Unusual Flying Object Sightings and Attendant Scientific Activity," whose date-of-information field spans November-March 1955. The source is a na
1955 — 8 UAP cases
UFO report: bright orange object, Catalina Island, 1955
This file documents a night-time sighting dated 15 March 1955 near Avalon, Catalina Island, California. It contains a Project 10073 record card, a UFOB index card and a teletype from the 670th Aircraft Control and Warning Squadron at San Pe
CIA memo: Senator Russell’s train UFO sighting, 1955
A 3-page CIA memorandum to the Director of Central Intelligence, "Sightings of Flying Saucers or Unconventional Aircraft," dated 31 October 1955 and signed by Herbert Scoville, Jr., Assistant Director for Scientific Intelligence, preceded b
CIA analysis of the 1955 train UFO sighting
This 4-page CIA document (page 2 is a "BEST COPY Available" placeholder) is a cover sheet followed by a two-page memorandum to the Director of Central Intelligence, "Flying Saucers or Unconventional Aircraft," signed by Herbert Scoville, Jr
USAF files on UFO reports and the Avro Y2 disc, 1954-55
This 57-page declassified USAF Directorate of Intelligence file (1954-1955), filed under "INT 2-2-7 Unidentified Flying Objects (UFO)," centers on the A. V. Roe (Canada) Project Y2, known to the USAF as Project "Ladybird," a circular, flat
Project Blue Book correspondence on UFO reports, 1955
This 220-page file of Air Force correspondence, filed under INT 2-2-7 (Unidentified Flying Objects) and dated from January to October 1955, shows how the Directorate of Intelligence and the Air Technical Intelligence Center handled public a
CIA report: triangular UFOs near Baku, Azerbaijan, 1955
This 2-page CIA Information Report (Report No. 00-B-3022[illegible], marked unevaluated information and distributed 15 Nov '55) documents a sighting on 4 October 1955, place acquired Azerbaijan SSR, reported by a 41-year-old US national (a
UFO sighting in Hungary from a family letter, CIA, 1955
CIA-UAP-018 is a declassified CIA Information Report, No. DO-B-93674, titled 'Report of Unusual Flying Object Sightings and Attendant Scientific Activity', country Hungary, dated 17 April (year not legible; the date of information is Novemb
UFO sighting in the Caucasus, USAF report, 1955
This is a nine-page U.S. Air Force Air Intelligence Information Report (IR 193-55) dated 14 October 1955, prepared by Lt. Col. Thomas S. Ryan, U.S. Air Attache, titled "Observations of Traveller in USSR" (source evaluation B-2; Numerical Fi
1954 — 2 UAP cases
UFO files: Col. Howard M. McCoy, USAF personnel record
This 298-page file is the official military personnel record of Colonel Howard M. McCoy, U.S. Air Force, from his commissioning as a second lieutenant in 1930 (he transferred to the Air Corps in 1931-32) to his retirement in 1954. Most of i
CIA history of U-2 and OXCART: U-2s and UFOs
This document is the CIA History Staff's declassified 1992 official history 'The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954-1974' by Gregory W. Pedlow and Donald E. Welzenbach, a 406-page book
1953 — 10 UAP casesView the full 1953 page →
UFO report: Prince George, British Columbia, 1953 (USAF)
This is a "Flying Objects Report" dated 13 November 1953 from the U.S. Air Force's 918th Aircraft Control and Warning Squadron at Prince George, British Columbia, Canada, sent under AFR 200-2 to USAF intelligence, Air Defense Command, the A
UFO report: Berlin Tempelhof air traffic, 1953 (USAF)
This is a two-page U.S. Air Force Air Intelligence Information Report (AF Form 112) dated 11 August 1953, prepared by Capt. Fred L. Allen, Air Intelligence Officer of the 7350th Base Complement Squadron at Tempelhof, Berlin, with extracts f
UFO radar report: French Morocco, December 1953 (USAF)
This is a U.S. Air Force Air Intelligence Information Report dated 23 December 1953 from the 316th Air Division (Defense) about an unidentified radar return over French Morocco and the Mediterranean Sea. On 16 December 1953 at 1754Z, person
UFO report: light on Big Diomede Island, Alaska, 1953
This is a U.S. Air Force Air Intelligence Information Report dated 24 November 1953 from the 5004th Air Intelligence Service Squadron in Alaska, titled "Sighting of Light on Big Diomede Island, USSR" (evaluation C-3). It reports that a 14-y
UFO report: light west of Gambell, Alaska, 1953 (USAF)
This is a U.S. Air Force Air Intelligence Information Report dated 8 December 1953 from the 5004th Air Intelligence Service Squadron, titled "Light Observed West of Gambell," St. Lawrence Island, Alaska. A 26-year-old local hunter and Alask
UFO sighting by a Swedish pilot, Hässleholm, 1953
This is a U.S. Air Force Air Intelligence Information Report dated 13 January 1954 from the Air Attaché's office in Stockholm, titled "'Flying Saucer' Sighted by Swedish Pilot." It forwards a translated Swedish newspaper account of an "unkn
UFO report: ring-shaped objects, Seymour, Indiana, 1953
This is a report dated 13 January 1954 from the 2466th Air Force Reserve Combat Training Center at Atterbury Air Force Base, Columbus, Indiana, to the Director of Intelligence, USAF, submitted under AFR 200-2. It records a sighting by a pha
Project Blue Book UFO case, Catalina Island, 1953
This file contains a completed Project Blue Book record form — with an official conclusion of "Astronomical (JUPITER)" and a note that astronomers at the Griffith Park Observatory evaluated the sighting as possibly a planet — and a 1953 tel
CIA memo on Air Force UFO project status, 1953
This is a three-page CIA memorandum dated 17 December 1953 from the Chief, Physics and Electronics (P&E) Division, SI, to the Assistant Director, Scientific Intelligence, titled "Current Status of Unidentified Flying Objects (UFOB) Project"
Robertson Panel UFO report to Defense Secretary, 1953
This 7-page file is the Office of the Secretary of Defense's copy of a 13 March 1953 CIA transmittal of the report of a scientific panel on "Unidentified Flying Objects" ("Flying Saucers"). It contains a divider sheet, an OSD routing slip r
1952 — 13 UAP casesView the full 1952 page →
UFO report: sphere over Sardinia, Italy, 1952 (USAF)
This is a U.S. Air Force Air Intelligence Information Report (IR-700-53) dated 15 December 1953 from the Air Attache in Rome (Lt. Col. Joseph A. Woida), transmitting a translated report by Prof. G. B. Sias of Sassari, Sardinia, about an unu
UFO report: Boy Scouts see flying saucers, Catalina, 1952
This is a U.S. Air Force Air Intelligence Information Report (AF Form 112) dated 28 August 1952 from the 807th Air Base Group, March Air Force Base, about alleged 'Flying Saucers' near Santa Catalina Island, off southern California. It repo
Tremonton UFO film: Project Blue Book file, Utah, 1952
This Project Blue Book case file concerns the 16mm color film shot by Delbert C. Newhouse (a Navy chief petty officer in one message, a warrant officer in other papers) on 2 July 1952, about 7 miles north of Tremonton, Utah, at roughly 11:0
Tremonton UFO photos: Project Blue Book file, 1952
This is a 5-page excerpt of a Project Blue Book photo file relating to the Tremonton, Utah film. Page 1 is a file header reading 'Files 1377 & 1415, Tremonton, Utah, 2 photos', with a date line (July 1952) carrying a handwritten correction.
USAF Flying Discs file: UFO reports, 1952
This is a general Air Technical Intelligence Center (ATIC) and Air Force Directorate of Intelligence (AFOIN-2A2) correspondence file from the intense 1952 flying-saucer reporting wave, compiled under Project Blue Book and signed variously b
Ruppelt’s Project Blue Book UFO briefing, 1952 transcript
This is a verbatim transcript of a March 1952 briefing given by Capt. Edward J. Ruppelt, newly appointed project engineer of the U.S. Air Force's reorganized UFO investigation (soon to be named Project Blue Book). Ruppelt traces the project
▶ 70sTremonton UFO film, Utah, 1952 (Navy’s Newhouse)
Archival 16mm color film with a heavy blue color cast, visible film grain, vertical scratches, and a soft focus consistent with handheld footage. Most frames show a plain sky with no visible object; several frames contain a cluster of small
Ruppelt’s Project Blue Book UFO briefing, 1952 audio
This is an audio recording of a March 1952 briefing given by Capt. Edward J. Ruppelt, newly appointed project engineer of the U.S. Air Force's reorganized UFO investigation (soon to be named Project Blue Book). The recording opens with equi
Robertson Panel UFO report, CIA, 1952-1953
This 42-page CIA file documents the Scientific Advisory Panel on Unidentified Flying Objects, known as the Robertson Panel, convened by the CIA's Office of Scientific Intelligence in January 1953 at the direction of Director of Central Inte
CIA memo on British UFO investigation, 1952
CIA-UAP-014 is a declassified SECRET Security Information memorandum for record dated 18 December 1952, titled "British Activity in the field of 'Unidentified Flying Objects,'" signed by H. Marshall Chadwell, Assistant Director for Scientif
FBI Newark file on UFO sightings in New Jersey, 1952
This 66-page FBI Newark Field Office file (classification 100-36998, copied for FOIPA in 1985) collects UFO-related reports and correspondence from 1952 to 1967. It opens in August 1952 when the Air Force Office of Special Investigations as
FBI Flying Discs file: UFO sightings in Washington State
This is the FBI Seattle Field Office file 100-18945, subtitled "Flying Discs" (Vol. 1), which gathers reports of unidentified objects in Washington State from July 1952 to August 1960. It consists of newspaper clippings, FBI office memorand
State Department memo on UFO sightings, July 1952
A two-page memorandum dated July 28, 1952, stamped SECRET (struck through) and marked DECLASSIFIED NND 852931. Page 1 is a cover note signed "F.H." to "Mr. Armstrong": Paul Nitze asked what the Air Force thought about the flying saucers, an
1950 — 3 UAP cases
Navy analysis of UFO films from Montana and Utah, 1953
This 23-page document (stamped "DECLASSIFIED Authority: NND 67905") has a Bureau of Aeronautics route sheet (pages 1-2, received stamp 14 May 1953), a seven-page progress report dated 4 May 1953 (pages 3-9) and enclosure charts and graphs (
German scientist's flying disc UFO theory, CIA, 1950
This 4-page CIA Information Report, distributed on 31 July 1950 (Country: Chile/Germany, place acquired Santiago, date of info prior to mid-1950), forwards a translated copy of an article submitted for publication in Condor, a German-langua
UFO Flying Discs reports, Air Force MATS, 1948-1950
This is a compilation of unidentified flying object ('flying discs') reports from December 1948 to January 1950, mostly from Military Air Transport Service (MATS) units, forwarded to the Air Materiel Command at Wright-Patterson AFB under Fl