Project Blue Book

Name: UFO Transparency
Creator: UFO Transparency
License: https://creativecommons.org/licenses/by/4.0/

U.S. Air Force's 1952-1969 systematic study of UFO reports, 12,618 sightings, 701 of which Blue Book never identified. Primary Project Blue Book documents, the predecessor Project Sign and Project Grudge records, and the closing Condon-era findings.

Files

Findings

Papers

1953-2024

Years

Primary documents · 13

PDFProject Blue Book Termination Press Release, 1969U.S. Air Force
PDFProject Blue Book Special Report 14, 1955U.S. Air Force / Battelle Memorial Institute
PDFNARA Project Blue Book Motion PicturesNational Archives and Records Administration (NARA)
PDFThe Condon Report (DTIC AD0680975)University of Colorado / U.S. Air Force (sponsor)
PDFNARA NRC UAP Records, Bulk DownloadNational Archives and Records Administration (NARA)
PDFNARA ODNI UAP Records, Bulk DownloadNational Archives and Records Administration (NARA)
PDFNARA OSD UAP Records, Bulk DownloadNational Archives and Records Administration (NARA)
PDFNARA FAA UAP Records, September 2024National Archives and Records Administration (NARA)
PDFCIA's Robertson Panel Report, 1953Central Intelligence Agency / Office of Scientific Intelligence
PDFAARO Historical Record Report, Volume I, 2024DoD / All-domain Anomaly Resolution Office (AARO)
PDFAARO HRR Vol I, Pentagon Canonical PDFDoD / All-domain Anomaly Resolution Office (AARO)
PDFFirst Open Congressional UAP Hearing, May 2022U.S. House of Representatives Permanent Select Committee on Intelligence
PDFAARO HRR Vol I, Wikimedia MirrorDoD / All-domain Anomaly Resolution Office (AARO)

Findings · 8

Scholarly research · 10

PAPERUAP Activity Pattern Study 1945-1975: Military and Public ActivitiesHancock et al. · 2024
PAPERUAP Indications Analysis 1945-1975: United States Atomic Warfare ComplexGrosvenor et al. · 2025
PAPERTransients in the Palomar Observatory Sky Survey may be associated with nuclear testing and reports of unidentified anomalous phenomenaBruehl et al. · 2025
PAPERThe New Science of Unidentified Aerospace-Undersea Phenomena (UAP)Knuth et al. · 2025
PAPERAn environmental analysis of public UAP sightings and sky view potentialMedina et al. · 2023
PAPERThe Scientific Investigation of Unidentified Aerial Phenomena (UAP) Using Multimodal Ground-Based ObservatoriesWatters et al. · 2023
PAPERMaking UFOs make sense: Ufology, science, and the history of their mutual mistrustEghigian · 2017
PAPERThe UFO Enigma: A Call for US Government DisclosureNell · 2025
PAPERUnidentified Anomalous Phenomena: Policy Implications for the Government of the United KingdomMcCaw · 2024
PAPERThe Prospect of Executive Branch UAP Secrecy: The Harm to Congress and Potential RemediesSkafish · 2024