Official reports, hearing transcripts, case files and releases: the paper behind the cases. 2,872 documents, 2,610 mirrored with their text, 53,529 pages indexed, so a search reads inside them and lands on the page.
This audio file records a March 1952 presentation by Captain Edward J. Ruppelt, outlining the U.S. Air Force’s reorganized investigation into unidentified flying objects (UFOs). The presentation previews prospective technical methodologies, such as diffraction-grating photography and radar-scope synchronization, that were subsequently incorporated into Project Blue Book, a U.S. Air Force program active from 1952 to 1969 that investigated the nature and origin of UFOs. Ruppelt explains that out of approximately 800 historical cases reviewed by the Air Force, approximately 20% remained unexplained after technical analysis. These unresolved reports were sourced from credible military personnel, commercial pilots, and other qualified technical observers. He highlights geographic report concentrations around sensitive national security and nuclear weapons installations (including Los Alamos, Albuquerque, and Oak Ridge National Laboratories) and notes recurring anomalous characteristics, including silent high-speed flight and radar detections indicating unconfirmed air speeds between 1,000 and 3,500 miles per hour. Emphasizing that the Air Force found no conclusive evidence regarding the nature or origin of the phenomena, Ruppelt underscores the national security need for a systematic physical data collection effort to better evaluate these sightings.
p. 16Covert Action —
Cozzi, Edward R. —
Craford, Curtis Laverne —
Crowley, Cameron R. —
Cruikshank, Dale P.
Cuba —
Cushman, Robert E. -
Daihan Nongsang…
p. 34…Leland, Lee —
Letelier, Orlando —
Le Van, C.J. —
Levi, Edward H. —
Lewis, Lillie -
Liaison —
Liberty Party (England) —
-5-E—€-fiffl…
p. 37…Joseph Raymond
MERRIMACK, Project -
Mexico City —
Meyer, Cord —
Meyers, Edward -
Meyers, Lawrence —
Meyler, Ida —
Michigan Bell Telephone
CO0 —
Miler, Newton…
p. 1…Colby, Director of Intelligence, Atomic Energy Commission
Brigadier General Edward H. Porter, Deputy Director for Intelligence, The Joint Staff
Mr…
p. 1…Flying
Object.‟ It was coined in 1950 by Captain Edward Ruppelt of „Project Blue Book’, the
USAF‟s official 'UFO…
p. 6…The 'Condon report' -
named after the project head, the physicist Dr Edward Condon - was based on an
analysis of 12…
p. 13…Simon & Schuster, 1999
Ruppelt, Edward J. The Report on Unidentified Flying Objects. London: Gollancz,
1957
Twigge, Steven with Hampshire, Edward…
p. 1…Flying
Object.’ It was coined in 1950 by Captain Edward Ruppelt of ‘Project Blue Book’, the
USAF’s official 'UFO…
p. 6…The 'Condon report' -
named after the project head, the physicist Dr Edward Condon - was based on an
analysis of 12…
p. 14…Simon & Schuster, 1999
• Ruppelt, Edward J. The Report on Unidentified Flying Objects. London: Gollancz,
1957
• Twigge, Steven with Hampshire, Edward…
p. 1…Flying
Object.‟ It was coined in 1950 by Captain Edward Ruppelt of „Project Blue Book’, the
USAF‟s official 'UFO…
p. 6…The 'Condon report' -
named after the project head, the physicist Dr Edward Condon - was based on an
analysis of 12…
p. 14…Simon & Schuster, 1999
Ruppelt, Edward J. The Report on Unidentified Flying Objects. London: Gollancz,
1957
Twigge, Steven with Hampshire, Edward…
p. 1…Flying
Object.’ It was coined in 1950 by Captain Edward Ruppelt of ‘Project Blue Book’, the
USAF’s official 'UFO…
p. 6…The 'Condon report' -
named after the project head, the physicist Dr Edward Condon - was based on an
analysis of 12…
p. 15• Ruppelt, Edward J. The Report on Unidentified Flying Objects. London: Gollancz,
1957
• Twigge, Steven with Hampshire, Edward and Macklin, Graham…