Disclosure Index

758 FILES·LAST 4D AGO

758Files276Intl159Lore132Papers314NodesLast disclosureLast4D AGO

TP · TopicAgency

UK MoD UFO files (DEFE 24, DEFE 31)

The United Kingdom Ministry of Defence released approximately 52,000 pages of declassified UFO files through The National Archives at Kew between 2008 and 2013, including the DI55 staff studies and the Rendlesham, Calvine, Cosford, and Howden Moor case files.

33

Files

1

Findings

19

Papers

12

Lore

1969-2022

Years

Primary documents · 33

PDFDEFE 31/172, DI55 UFO Reports 1978–1983 (Project Condign source material)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFDEFE 31/173, DI55 UFO Reports 1984–1986UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFRendlesham Forest Incident, DEFE 24/1948 (Halt Memo, Suffolk Constabulary correspondence, parliamentary briefings)UK Ministry of Defence / RAF / Defence Intelligence (DI55)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 2)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 4)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 7)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFCosford / Shawbury Incident, DEFE 24/1962 (March 1993 multi-witness sightings)UK Ministry of Defence / RAF / Sec(AS)
PDFDEFE 24/1922, MoD UFO Reports 1962–1979 (Broad Haven / Welsh Triangle era)UK Ministry of Defence / Secretariat Air Staff
PDFMoD UFO Files Highlights Guide, Final Tranche, June 2013UK National Archives / UK Ministry of Defence
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 3)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 6)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFProject Condign, UAP in the UK Air Defence Region, Volume 3 (pages 1–48, recommendations and conclusions)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 1)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFAir Force Mode-5 Launch Failure Statistics, 1996Department of War
PDFCalvine UFO Incident, DEFE 24/1940 (Sec(AS) briefing on August 1990 Perthshire diamond photograph)UK Ministry of Defence / Secretariat Air Staff
PDFCalvine UFO Photograph, August 1990, Sheffield Hallam Academic RecoveryUK Ministry of Defence / Defence Intelligence Staff DI55 (original 1990 chain of custody); Sheffield Hallam University (2022 academic publication)
PDFCalvine Photograph Analysis Material, DEFE 24/2048 (later MoD correspondence, August 2011 release)UK Ministry of Defence
PDFDEFE 24/1925, MoD UFO Reports 1980 (Rendlesham era public correspondence)UK Ministry of Defence / Secretariat Air Staff
PDFDEFE 24/1959, MoD UFO Desk Reports 1981 (Rendlesham aftermath year)UK Ministry of Defence / Sec(AS)
PDFDEFE 24/2006, MoD UFO Desk Reports c.1998–2000 (Bonnybridge / Falkirk Triangle era)UK Ministry of Defence / Sec(AS)
PDFDEFE 24/2030, MoD UFO Desk Correspondence 1990 (Calvine-era reporting)UK Ministry of Defence / Sec(AS) / DI55
PDFHowden Moor / Sheffield Incident, DEFE 24/1997 (March 1997 sonic boom and triangular craft reports)UK Ministry of Defence / Sec(AS)
PDFProject Condign, UAP in the UK Air Defence Region, Volume 2 (pages 1–258, working papers and supporting analyses)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFUFO Desk Closure Correspondence, DEFE 24/2453 (final tranche, June 2013)UK Ministry of Defence / Sec(AS)
PDFUFO Desk Final Records, DEFE 24/2465 (final tranche, June 2013)UK Ministry of Defence / Sec(AS)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 5)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFProject Condign, Unidentified Aerial Phenomena in the UK Air Defence Region, Volume 1 (Executive Summary, Chapters 1–5, Annexes A–F) (part 8)UK Ministry of Defence / Defence Intelligence Staff (DI55)
PDFApollo 12 Tracking-Light Disagreement, Lunar OrbitNASA
PDFDIA's Quantum Tomography of Vacuum Negative StatesDefense Intelligence Agency (DIA)
PDFGEIPAN Case 2008-07-02443, BARRET-DE-LIOURE (26) 08.07.2008 (part 1)GEIPAN / CNES
PDFAIR 2/19086, Air Ministry / Air Staff UFO Policy and Reporting ProceduresUK Air Ministry / Air Staff
PDFGEPAN Technical Note 16, Trans-en-Provence Investigation (legacy slug)GEPAN / CNES
PDFAATIP DIRD 36: Negative Energy Vacuum Tomography–

Findings · 1

War.gov May 8th 2026In lunar orbit Pete Conrad assessed his tracking light burned out. Houston's telemetry said it was still drawing current.

Scholarly research · 19

PAPERThe Inner Edge of the Habitable Zone for Synchronously Rotating Planets around Low-Mass Stars Using General Circulation ModelsKopparapu et al. · 2016
PAPEROn Detecting Biospheres from Chemical Thermodynamic Disequilibrium in Planetary AtmospheresKrissansen-Totton et al. · 2016
PAPERThe Scientific Investigation of Unidentified Aerial Phenomena (UAP) Using Multimodal Ground-Based ObservatoriesWatters et al. · 2023
PAPERPossible Photometric Signatures of Moderately Advanced Civilizations: The Clarke ExobeltSocas-Navarro · 2018
PAPERAn environmental analysis of public UAP sightings and sky view potentialMedina et al. · 2023
PAPERImproved instrumental techniques, including isotopic analysis, applicable to the characterization of unusual materials with potential relevance to aerospace forensicsNolan et al. · 2022
PAPERTiming and Likelihood of the Origin of Life Derived from Post-Impact Highly Reducing AtmospheresWogan et al. · 2024
PAPERThe Detectability of Nightside City Lights on ExoplanetsBeatty · 2022
PAPERSearching for technosignatures in exoplanetary systems with current and future missionsHaqq-Misra et al. · 2022
PAPERNitrogen Dioxide Pollution as a Signature of Extraterrestrial TechnologyKopparapu et al. · 2021
PAPEROxygen False Positives on Habitable Zone Planets Around Sun-Like StarsKrissansen-Totton et al. · 2021
PAPERA radio technosignature search towards Proxima Centauri resulting in a signal-of-interestSmith et al. · 2021
PAPERThe Detectability and Characterization of the TRAPPIST-1 Exoplanet Atmospheres with JWSTLustig-Yaeger et al. · 2019
PAPERDisequilibrium Biosignatures over Earth History and Implications for Detecting Exoplanet LifeKrissansen-Totton et al. · 2018
PAPERHabitable Zones Around Main-Sequence Stars: New EstimatesKopparapu et al. · 2013
PAPERFlying Saucers and UFOs in US Advertising During the Cold War, 1947-1989McAllister et al. · 2022
PAPERAmerican Cosmic and Intimate Alien: a dual review essay on UFOs, Religion, and TechnologyZeller · 2021
PAPERIntegrated Computing Platform for Detection and Tracking of Unidentified Aerial PhenomenaCloete et al. · 2023
PAPERDetection of Moving Objects in Earth Observation Satellite ImagesKeto et al. · 2023

Lore encounters · 12

United KingdomCondign Report
United KingdomBroad Haven School Sighting
Middle East / AsiaJapan MOD UAP Protocol
United KingdomCosford-Shawbury Wave
United KingdomBonnybridge Triangle
United KingdomRendlesham Forest Incident
United KingdomA70 Tarbrax Missing-Time Case
United KingdomUK National Archives UFO Files
Continental EuropeProject EMBLA Hessdalen
United KingdomCalvine Photograph
United KingdomManchester Pennines Near-Miss
Latin AmericaAntonio Villas Boas Encounter