Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Project_Sign> ?p ?o. }
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- Project_Sign abstract "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.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. However, prior to this final report, Sign officially argued that UFOs were likely of extraterrestrial origin, and most of the project's personnel came to favor the extraterrestrial hypothesis before this opinion was rejected and Sign was dissolved and replaced with Project Grudge.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. The full files for Sign were declassified in 1961.".
- Project_Sign wikiPageExternalLink 2d_af_1.pdf.
- Project_Sign wikiPageExternalLink twining.htm.
- Project_Sign wikiPageID "2478347".
- Project_Sign wikiPageRevisionID "598728926".
- Project_Sign essayLike "February 2010".
- Project_Sign hasPhotoCollection Project_Sign.
- Project_Sign npov "February 2010".
- Project_Sign refimprove "February 2010".
- Project_Sign subject Category:Government_responses_to_UFOs.
- Project_Sign subject Category:Wright-Patterson_Air_Force_Base.
- Project_Sign comment "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.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.".
- Project_Sign label "Progetto Sign".
- Project_Sign label "Project Sign".
- Project_Sign label "Project Sign".
- Project_Sign label "Projet Sign".
- Project_Sign label "Projeto Sign".
- Project_Sign label "Proyecto Signo".
- Project_Sign sameAs Proyecto_Signo.
- Project_Sign sameAs Projet_Sign.
- Project_Sign sameAs Progetto_Sign.
- Project_Sign sameAs Project_Sign.
- Project_Sign sameAs Projeto_Sign.
- Project_Sign sameAs m.07gtq0.
- Project_Sign sameAs Q2720462.
- Project_Sign sameAs Q2720462.
- Project_Sign wasDerivedFrom Project_Sign?oldid=598728926.
- Project_Sign isPrimaryTopicOf Project_Sign.