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New in the library The PURSUE files The Department of War's UAP release, mirrored in full: the videos, recordings and images, each beside its case file. Browse the release → Documents matching “Project Blue Book file” 182 records · page 2
p. 10 …Information on the conduct of the Air Force Project Blue Book was forwarded to your office at an earlier date… p. 1 …by Captain Edward Ruppelt of „Project Blue Book ’, the
USAF‟s official 'UFO project ', to replace flying saucers, a term… p. 7 7
Project Blue Book was closed by USAF following publication of the Condon report in
December 1969. In the UK… p. 1 …by Captain Edward Ruppelt of ‘Project Blue Book ’, the
USAF’s official 'UFO project ', to replace flying saucers, a term… p. 7 7
Project Blue Book was closed by USAF following publication of the Condon report in
December 1969. In the UK… 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. 1 …scientific investigation?
The now-defunct USAF twenty-year
"Project Blue Book " UFO study never
had a chance to receive the… p. 19 …Air Weather Service Correspondence File - Letter 22 Sep 52, to: CC, ATS, subj: Climatology Data for Project Blue Book .
d… …Levelland, Texas
Hq, 23d Dist OSI (IG) USAF, Carswell AFB, Texas, file 23D 24-0-246, Subject: UNKNOWN…
p. 1 …by Captain Edward Ruppelt of „Project Blue Book ’, the
USAF‟s official 'UFO project ', to replace flying saucers, a term… p. 7 7
Project Blue Book was closed by USAF following publication of the Condon report in
December 1969. In the UK… p. 1 …scientific investigation?
The now-defunct USAF twenty-year
"Project Blue Book " UFO study never
had a chance to receive the… p. 1 …scientific investigation?
The now-defunct USAF twenty-year
"Project Blue Book " UFO study never
had a chance to receive the… p. 1 …by Captain Edward Ruppelt of ‘Project Blue Book ’, the
USAF’s official 'UFO project ', to replace flying saucers, a term… p. 7 Project Blue Book was closed by USAF following publication of the Condon report in
December 1969. In the UK the… p. 13 ## DISPOSITION FORM
FILE NO. SUBJECT
(Restricted) Project Blue Book , Our Camera Pils
TO Chief, Air Technical Intelligence Center
Wright-Patterson… …ground-radar report, it was decided that Project Blue Book would send an investigator to the scene. The…
p. 13 …News media requiring Project Blue Book files should contact the National
Archives Public Affairs Office, (202) 501-5525. Public queries… <div align="center">
PROJECT 1 073 RECORD CARD
</div>
<table border="1"><tr><td>1. DATE
15 March…
p. 16 …l57 p.
"From the files of the U.S. Air Force 'Project Blue Book '."
Aleman "J'elasco, Miguel. Los secretos… p. 40 …that (1) USAF has begun to make
its Project Blue Book files more accessible to researchers, and (2) establish-
ment… p. 155 …Contains UFO sighting reports and photographs; interviews with Project Blue
Book Chief Maj. Hector Quintanilla and broadcaster Long John Nebel… 1 more page mentions it …It has a stellar magnitude of –1.56, has characteristic colors of blue -red- white-
green, and would…
…The numerical designation is merely the enumeration order of the incident in the project files .
21, 27, 21…
…ATIC Status and Progress Reports of Project GRUOGE and Project BLUE BOOK (code names for ATIC study of…
p. 24 …On file with Project Blue Book is the account of an early sighting fatality that has baffled UFO historians since… p. 26 …on Project Blue Book records today as one of the most extensively investigated, thoroughly analyzed cases in those files . . . but… p. 65 …If not, become just a town of the past
Project Blue Book passed through several hands after the conscientious direction… 5 more pages mention it p. 18 …In order to recover these details I have searched the files of Project Blue Book and of the Office of… p. 23 …of Project Blue Book - actually Project Grudge at the time of the sighting). He had marked his file "closed" even… p. 24 …which led to the "final identification" according to Project Blue Book (or Grudge). Quoting Brooks' report:
"On Aug.2, 1949… …In its Project Blue Book Special Report #14, released in October 1955, the Air Force showed that evaluated…
## EVALUATION
A/C
Insufficient Data
Other (MISSILES)
Insufficient Data
Other (CONTRAILS)
Birds
Balloon
Balloon
A/C
Other (MIRAGE…
p. 9 …Army Counterintelligence Corps historical files , 1947-49
National Archives II, College Park, Md. Project Blue Book Special Report No. 14… …Project GRUDGE in December, 1948. The operation is currently being conducted under the code-name BLUE BOOK , with…
p. 10 …Army Counterintelligence Corps historical files , 1947-49
National Archives II, College Park, Md. Project Blue Book Special Report No. 14… …DIR 5200.10
SUBJECT: Project "SIGN" CHARACTER: Special Investigation DATE: 9 Sep 1948 FILE NO: 333.5 (24…
…DIR 5200.10
SUBJECT: Project "SIGN" CHARACTER: Special Investigation DATE: 9 Sep 1948 FILE NO: 333.5 (24…
…Project GRUDGE in December, 1948. The operation is currently being conducted under the code-name BLUE BOOK , with…
p. 26 …a short introduction to the "balloon phase" of Project Blue Book . For anyone desiring the complete information, such as agencies… …Joel D Wall, DHS, S&T, Special Projects Office,
<div align="center">
# UNCLASSIFIED
TOP SECRET//KONA BLUE /NOFORN…
…Project Blue Book
TO: Commanding General Air Technical Intelligence Center Wright-Patterson Air Force Base, Ohio
1. In…
p. 11 …Worth and Topeka, their home base.
## Blue Book
The records indicate that Project Blue Book received summary information on this… p. 21 …of Toronto) wrote a letter to the USAF's Project Blue Book office describing a UFO he had seen while… p. 33 …Maurer Maurer, chief of the Historical Research Div., Maxwell AFB, Ala., where the Project Blue Book UFO case files are… 2 more pages mention it p. 11 …Army Counterintelligence Corps historical files , 1947-49
National Archives II, College Park, Md. Project Blue Book Special Report No. 14… p. 4 …For the first few months of my association with what is now Project Blue Book —the name of the very… p. 3 …Every time flying saucer believers think they've got the Air Force pinned down, the boys in Project Blue Book … …Special Report of the USAF Scientific
Advisory Board ad hoc Committee to Review Project "Blue Book ," March, 1966…
p. 49 …has been directed to make all information on Project Blue Book available to the Dept. of Defense for release from… p. 6 …his time as head of Project Blue Book ? And did he, as the book 's dustcover claims, "try desperately to… p. 2 …Former Air Force Headquarters Monitor of AF Project Blue Book UFO investigation, prepared analyses of UFO data for AF, liaison… p. 26 …The visitors have included several former Project Blue Book (the UFO project ) personnel and intelligence officers; a Master Navigator who… p. 159 …The Air Force Project Blue Book Report, released in 1955, lists for the same period:
June - 13 sightings, 4 unknown… 5 more pages mention it …th>IMFORMATION</th></tr></thead><tbody><tr><td>BOOK MESSAGE</td><td></td><td></td></tr><tr><td…
p. 6 …his
time as head of Project Blue Book ? And did ha, as the
book 's dustcover claims, “try desperately to… …ANY RECORDS IN C
1 0/8/201 9 F-2020-00128
INFORMATION REGARDING PROJECT BLUE BOOK , U…
…Additional information on this project may be in your
. files or available to you by contacting the Hughes…
p. 8 …Records reviewed
Air Force papers on unidentified flying objects
Army Counterintelligence Corps historical files , 1947-49
Project Blue Book Special… p. 6 …his
time as head of Project Blue Book ? And did ha, as the
book 's dustcover claims, “try desperately to… …and it is carried as such in Project Saucer's files ."
It is likely that Chrisman and Dahl…
…This materialized blue -eyed "superman", a version of Nietzsche's "blond beast", proved to be a secret service…
…In 1969, another government effort, Project Blue Book determined that 701
sightings out of 12,618 were “unidentified…
…BROOKS, 19th District OSI, File No. 24-14, dtd 20 July 1949</td></tr><tr><td colspan="5…