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| At first the project hypothesised the sightings might be Soviet secret weapons.<ref name=":0" /> However, Project Sign's final report, published in early 1949, stated that while some UFOs appeared to represent actual aircraft, there was not enough data to determine their origin.<ref name="Blum1990">Blum, Howard, Out There: The Government's Secret Quest for Extraterrestrials. Simon and Schuster, 1990</ref> Almost all cases were explained by ordinary causes, but the report recommended a continuation of the investigation of all sightings.<ref name=":0" /> ], Chief of Staff of the Air Force, ended the project. It was followed by ] after a conclusion was reached that evaluations of UFOs were a necessity of military intelligence in a post-war climate.<ref>{{Cite book|title=Project Blue Book : the top secret UFO files that revealed a government cover-up|others=Steiger, Brad|year = 2019|isbn=978-1-59003-300-5|location=Newburyport, MA|oclc=1078162415}}</ref> | At first the project hypothesised the sightings might be Soviet secret weapons.<ref name=":0" /> However, Project Sign's final report, published in early 1949, stated that while some UFOs appeared to represent actual aircraft, there was not enough data to determine their origin.<ref name="Blum1990">Blum, Howard, Out There: The Government's Secret Quest for Extraterrestrials. Simon and Schuster, 1990</ref> Almost all cases were explained by ordinary causes, but the report recommended a continuation of the investigation of all sightings.<ref name=":0" /> ], Chief of Staff of the Air Force, ended the project. It was followed by ] after a conclusion was reached that evaluations of UFOs were a necessity of military intelligence in a post-war climate.<ref>{{Cite book|title=Project Blue Book : the top secret UFO files that revealed a government cover-up|others=Steiger, Brad|year = 2019|isbn=978-1-59003-300-5|location=Newburyport, MA|oclc=1078162415}}</ref> | ||
| Project Sign was first disclosed to the public in 1956 via the book ''The Report on Unidentified Flying Objects'' by retired Air Force Captain ] who later directed Project Grudge and ]. In this he claimed that sign had produced an "Estimate of the Situation". which concluded that UFO's were of extraterrestrial origin.<ref name="Ruppelt">{{cite book|last=Ruppelt|first=Edward J|url=http://www.gutenberg.org/cache/epub/17346/pg17346-images.html|title=The Report on Unidentified Flying Objects|publisher=Doubleday & Company|year=1960|edition=2nd|ref=harv}}</ref>. No sign of this document has ever surfaced, and the USAF have denied it ever existed..<ref>https://books.google.co.uk/books?id=Zgw35KTLOVoC&pg=PT75&dq=Estimate+of+the+Situation+%2B+ufo&hl=en&sa=X&ved=0ahUKEwit4KHF_JLpAhUVsHEKHW6EDO0Q6AEIWDAG#v=onepage&q=Estimate%20of%20the%20Situation%20%2B%20ufo&f=false | Project Sign was first disclosed to the public in 1956 via the book ''The Report on Unidentified Flying Objects'' by retired Air Force Captain ] who later directed Project Grudge and ]. In this he claimed that sign had produced an "Estimate of the Situation". which concluded that UFO's were of extraterrestrial origin.<ref name="Ruppelt">{{cite book|last=Ruppelt|first=Edward J|url=http://www.gutenberg.org/cache/epub/17346/pg17346-images.html|title=The Report on Unidentified Flying Objects|publisher=Doubleday & Company|year=1960|edition=2nd|ref=harv}}</ref>. No sign of this document has ever surfaced, and the USAF have denied it ever existed..<ref>https://books.google.co.uk/books?id=Zgw35KTLOVoC&pg=PT75&dq=Estimate+of+the+Situation+%2B+ufo&hl=en&sa=X&ved=0ahUKEwit4KHF_JLpAhUVsHEKHW6EDO0Q6AEIWDAG#v=onepage&q=Estimate%20of%20the%20Situation%20%2B%20ufo&f=false</ref> | ||
| ==References== | ==References== | ||
Revision as of 15:52, 1 May 2020
Project Sign was an official U.S. government study of unidentified flying objects (UFOs) undertaken by the United States Air Force and active for most of 1948.
The project was established in 1948 by Air Force General Nathan Farragut Twining, head of the Air Technical Service Command, and was initially named Project SAUCER. The goal of the project was to collect, evaluate, and distribute within the government all information relating to UFO sightings, on the premise that they might represent a national security concern.
At first the project hypothesised the sightings might be Soviet secret weapons. However, Project Sign's final report, published in early 1949, stated that while some UFOs appeared to represent actual aircraft, there was not enough data to determine their origin. Almost all cases were explained by ordinary causes, but the report recommended a continuation of the investigation of all sightings. General Hoyt Vandenberg, Chief of Staff of the Air Force, ended the project. It was followed by Project Grudge after a conclusion was reached that evaluations of UFOs were a necessity of military intelligence in a post-war climate.
Project Sign was first disclosed to the public in 1956 via the book The Report on Unidentified Flying Objects by retired Air Force Captain Edward J. Ruppelt who later directed Project Grudge and Project Blue Book. In this he claimed that sign had produced an "Estimate of the Situation". which concluded that UFO's were of extraterrestrial origin.. No sign of this document has ever surfaced, and the USAF have denied it ever existed..
References
- ^ "CIA's Role in the Study of UFOs, 1947-90 — Central Intelligence Agency". www.cia.gov. Retrieved 2020-04-30.
- Blum, Howard, Out There: The Government's Secret Quest for Extraterrestrials. Simon and Schuster, 1990
- Project Blue Book : the top secret UFO files that revealed a government cover-up. Steiger, Brad. Newburyport, MA. 2019. ISBN 978-1-59003-300-5. OCLC 1078162415.
{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link) - Ruppelt, Edward J (1960). The Report on Unidentified Flying Objects (2nd ed.). Doubleday & Company.
{{cite book}}: Invalid|ref=harv(help) - https://books.google.co.uk/books?id=Zgw35KTLOVoC&pg=PT75&dq=Estimate+of+the+Situation+%2B+ufo&hl=en&sa=X&ved=0ahUKEwit4KHF_JLpAhUVsHEKHW6EDO0Q6AEIWDAG#v=onepage&q=Estimate%20of%20the%20Situation%20%2B%20ufo&f=false
Further reading
- Dolan, Richard M. (2002) UFOs and the National Security State: Chronology of a Cover-up 1941–1973. Hampton Roads Publishing Company, ISBN 1-57174-317-0
- Peebles, Curtis (1994). Watch the Skies! - A Chronicle of the Flying Saucer Myth. Smithsonian, ISBN 1-56098-343-4.
External links
| Preceded byNone | US military projects investigating the UFO phenomenon | Succeeded byProject Grudge |
