Timeline: 1944-2026

All documented incidents in chronological order

A chronological view of the incidents documented in the archive — from 1940s wartime 'foo fighter' reports, through Cold War cables and Apollo-era astronaut sightings, to modern military encounters. Each entry links to the declassified document behind it.

Timeline: 1944-2026

1944-1948 — Dawn of the era

POW Testimony: A Circular Aircraft over Nazi Germany, 1944

"Foo Fighters" and Unexplained Objects: A Secret Allied Intelligence Record, 1944–1945

DOW-UAP-D087: U.S. Air Force Analysis of Flying Objects in the United States — Incident Summaries 1–100

CIA Official Record Copy: Project Blue Book Special Report No. 14 — Analysis of Reports of Unidentified Aerial Objects (1955)

Flying Discs 1947: The Secret Intelligence Files of Air Materiel Command

Unidentified Incidents — The First 100 U.S. Navy Incident Summaries: A Foundational Record, 1947–1948

DOW-UAP-D086: U.S. Navy Report of Flying Discs — Fifth Naval District Memorandum, 1948

DOW-UAP-D088: U.S. Air Force Analysis of Flying Objects in the United States — Incident Summaries 101–172

FBI-UAP-D011, D/FBI Correspondence Referral, 1949

Unidentified Incident Records 101–172: Archival Analysis of 1948 U.S. Navy Files

The James Tuck Correspondence: A Los Alamos Physicist, the 1948-1951 Green Lights, and the Condon Report

Army Air Forces General File, 1948: The Institutional Foundation of Project SIGN and the Flying Disc Investigation

U.S. Navy UAP Incident Summaries: Incidents 173–233

U.S. Air Force Intelligence Records: Top-Secret Flying Saucer Reports, November 1948

The Sandia Base Green Fireball File: Los Alamos, LaPaz, and the 1948-1950 New Mexico Investigation

1947-1977 — FBI Flying Discs era

DOW-UAP-D084: U.S. Army Evaluation Study of the Flying Saucer Phenomenon, 1949

CIA-UAP-005: German Scientist's Article on "Flying Discs," 1950

File 319.1 "Flying Discs" 1949: The U.S. Air Force Operational Reporting Network

State Department Memorandum 711.5612: "Increased Reports of Unidentified Flying Objects," July 28, 1952

CIA-UAP-002: Scientific Advisory Panel on Unidentified Flying Objects — The Robertson Panel Report, 1952–1953

FBI-UAP-D012, Newark Field Office Special Inquiry: Unidentified Flying Objects, New Jersey, 1952–1967

CIA Memorandum for Record: British Activity in the Field of "Unidentified Flying Objects," December 1952

FBI-UAP-D013: Washington State UFO Investigation File, 1952-1960

DOW-UAP-D085: Transmission of the CIA Robertson Panel Report to the Secretary of Defense, 1953

CIA Memorandum: Current Status of the Unidentified Flying Objects (UFOB) Project, December 1953

The CIA and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954–1974

CIA Information Report: Unusual Flying Object Sightings and Attendant Scientific Activity, Budapest, 1956

CIA Information Report: Report of Unusual Flying Object Sightings and Attendant Scientific Activity, Hungary, 1955

Air Intelligence Report IR 193-55: Senatorial Eyewitnesses to Flying Discs in the Soviet Union, October 1955

CIA-UAP-006: Sighting of Unconventional Aircraft near Baku, Azerbaijan SSR, 1955

CIA Information Report: Unknown Flying Objects Observed Over Budapest, 1957

CIA-UAP-004: Case 17708 (Closed) and Dr. Leon Davidson, 1958

Unidentified Flying Object over Detroit: FBI Report, April 17, 1958

NASA-UAP-D015: Astronaut Scientific Debriefings, 1962-1963

National Space Council Memorandum: Thoughts on the Space Alien Race Question

Transcript of Frank Borman's 'Bogey' Sighting During Gemini 7 (GT-7/6)

NASA Gemini 5 Technical Debriefing, Part I, 1965

NASA Gemini 5 Technical Debriefing, Part II, 1965

Gemini 7 Technical Debriefing, December 1965

NASA-UAP-D017: Preliminary Gemini 4 Crew Debriefing, Part II, 1965

NASA-UAP-D018: Gemini 4 Experiment Debriefing, 1967

NASA Gemini IX Scientific Debriefing Transcript and Summary, June 1966

CIA Information Report: Conversations with Soviet Scientists on UFOs in the USSR, 1967

CIA Information Report: Sightings of Unidentified Flying Objects in Ladakh, Nepal, Sikkim and Bhutan, 1968

CIA Foreign Intelligence Information Report: Combating Fatigue in Crewmembers / UFO Phenomena, Soviet Aeroflot, 1976

1969-1973 — Apollo and Skylab era

Apollo 11 Technical Crew Debriefing: Three Anomalous Observations Outbound and Return, 1969

NASA-UAP-D1: Apollo 12 Technical Air-to-Ground Voice Transcript, November 1969

Australian Department of Defence: Scientific and Intelligence Aspects of the UFO Problem, 1971

CIA Intelligence Information Report: Speculative Paper by N.S. Kardashev and A. Sakharov on Charged Mass in Space, Conference on Origins of Life, Armenia, 1971

Apollo 17 Technical Crew Debriefing: Light Flashes and a Lunar Surface Observation, 1973

NASA-UAP-D2: Apollo 17 Air-to-Ground Voice Transcript, December 1972

CIA Intelligence Information Report: An Unidentified Aerial Phenomenon at the Sary Shagan Weapons Range, USSR, 1973

NASA-UAP-D5: Apollo 17 Science Crew Debriefing — Anomalous Ultraviolet Spectrum, 1973

Skylab Technical Crew Debriefings, 1973–1974: Light Flashes, a 'Reddish Satellite,' and Maneuvering Lights Around the Space Station

CIA Intelligence Information Report: The Sary Shagan Weapons Testing Range (Release 3 — Less Redacted Version), 1973

1985-1994 — State Department cables

Diplomatic Cable DOS-UAP-D1: Papua New Guinea Inquiry Regarding High-Speed Overflights, January 1985

Pajarito Astronomers Notice, 1986: "Why Should a Scientist Be Concerned about UFOs?"

Diplomatic Cable DOS-UAP-D2: Tajik Air Pilots Report UAP Over Kazakhstan, January 1994

1996-2015 — Early modern reports

Modeling of Unlikely Space-Booster Failures in Risk Calculations

USG-UAP-D001: Congressional and White House UFO-Related Constituent Correspondence, 1998

UFOs and Defense: What Should We Prepare For?

Vandenberg Launch Summary: Documenting 42 Years of Nuclear and Space Operations as Context for Understanding Unidentified Aerial Phenomena

State Department UAP Cable DOS-UAP-D3: "UFOs over Georgia" — Moscow's Bold Lie, October 2001

State Department UAP Cable DOS-D4: Turkmenistan, Civil Society, and UFOs — Ashgabat, November 2004

CIA-UAP-017: Placement on High Alert Due to Perceived Aggressive Foreign Posturing — Harare International Airport UAP, July 2008

2016-2026 — Modern DoW era

Identification of an Unidentified Flying Object Northwest of Latakia, Syria — P-8A Mission Report, November 2016

Pantex Unidentified Object Incident Report: Radar-Tower Image and Sandia-Enhanced Photographs

Range Fouler Debrief Form — Middle East Theater, May 2020

Mission Report DOW-UAP-D65: Three UAP Observations in the Persian Gulf, July 16, 2020

Mission Report: UAP Observation over the Persian Gulf, August 2020

Range Fouler Debrief Form: Unidentified Air Contacts over the Arabian Sea, August 2020

Mission Report: Formation of Unknown Flying Objects over the Persian Gulf, August 2020

Range Fouler Debrief Form — Japan, 31 August 2023