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.
p. 3# Federal Bureau of Investigation United States Department of Justice
422 - Federal Office Building, Civic Center San Francisco 2, California September…
p. 21# HEADQUARTERS AIR DEFENSE COMMAND Mitchel field, New York
In reply refer to:
D333.5EX
3 September 1947
SUBJECT: Cooperation of…
p. 23who is a retired police officer of the Philadelphia Police Department, advised as follows:
Around 10:45 p.m. on…
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. 13…Transmittal of Statements Pertaining To Serial Phenomenon Scene on 1 Oct 43.
TO : Chief Intelligence Department, Headquarters Air Material Command…
p. 20…Transmittal of Statement.
TO : Chief Intelligence Department, Headquarters Air Material Command, Wright Patterson Air Force Base, Dayton, Ohio.
1. In…
p. 28Field Investigation Report
Subject: "Geiger Radioactivity Check of P-51 #511435
Air National Guard, Fargo, North Dakota
3. Conference held…
p. 1…Sam Goudsmit, Chairman, Department of Physics, Brookhaven National Laboratory formerly member Combined Scientific and Military Team during post-war period…
p. 31# UNCLASSIFIED DEPARTMENT OF THE AIR FORCE STAFF MESSAGE DIVISION
INCOMING CLASSIFIED MESSAGE
SIM C177
HGC2C5
XTA188
4 Nov 52
CXB134…
p. 33DEPARTMENT OF THE AIR FORCE STAFF MESSAGE DIVISION
INCOMING CLASSIFIED MESSAGE
UNCLASSIFIED
PARAPHRASE NOT REQUIRED. NOTIFY CRYPTOCENTER BEFORE DECLAS3IFYING
13…
p. 107…require any copies of material as suggested.
(1) This case came to the attention of the Air Force by a…
p. 21…Atomic Energy Commission, University of California, U. S. Air Force Scientific Advisory Board, Geophysical Research Division Air Materiel Command USAF…
p. 82…As a result of the ground and air searches referred to above, and of an analysis of the very large…
p. 5# DEPARTMENT OF THE AIR FORCE WASHINGTON
# 6 Dec 65
## Dear Mr Rankow
The Air Force evaluation of the three photographs…
p. 8…department investigator in Santa Ana, California, took three photographs of a UFO which was flying near the Marine Corps Air…
p. 18…Completed three and one half years of college towards Business Administration degree. OJT with Road Department - traffic engineering, surveying, drafting…