gptkbp:instance_of
|
gptkb:United_States_Air_Force
|
gptkbp:associated_with
|
government secrecy
|
gptkbp:concluded_on
|
most sightings explained as natural phenomena
|
gptkbp:criticism
|
lack of scientific rigor
|
gptkbp:ended
|
gptkb:1969
|
gptkbp:headquarters
|
gptkb:Wright-Patterson_Air_Force_Base
|
https://www.w3.org/2000/01/rdf-schema#label
|
Operation Blue Book
|
gptkbp:influenced
|
gptkb:popular_culture
UFO literature
UFO conspiracy theories
UFO conventions
UFO documentaries
UFO sightings reporting
|
gptkbp:influenced_by
|
Cold War tensions
|
gptkbp:inspired
|
films and documentaries
|
gptkbp:investigated_sightings
|
gptkb:military_personnel
civilian reports
|
gptkbp:investigates
|
gptkb:U._S._Air_Force_personnel
|
gptkbp:legacy
|
influenced UFO culture
|
gptkbp:notable_case
|
The 1952 Washington, D. C. UFO incident
|
gptkbp:notable_event
|
1966 Michigan UFO sightings
1973 Pascagoula Abduction case
1976 Tehran UFO incident
1980 Cash-Landrum incident
1997 Phoenix Lights incident
|
gptkbp:notable_figures
|
gptkb:Captain_Edward_J._Ruppelt
|
gptkbp:number_of_cases_investigated
|
12,618
|
gptkbp:public_interest
|
high
|
gptkbp:publications
|
numerous articles and books
|
gptkbp:purpose
|
investigate UFO sightings
|
gptkbp:related_to
|
gptkb:Project_Grudge
gptkb:Project_Sign
gptkb:The_Disclosure_Project
UFO phenomena
UFO research organizations
National Investigations Committee on Aerial Phenomena (NICAP)
Mutual UFO Network (MUFON)
Center for the Study of Extraterrestrial Intelligence (CSETI)
|
gptkbp:reporting_format
|
annual reports
|
gptkbp:result
|
Project Blue Book: The Final Report
|
gptkbp:started_in
|
gptkb:1952
|
gptkbp:successor
|
gptkb:Project_Blue_Book_Special_Report_No._14
|
gptkbp:bfsParent
|
gptkb:Operation_Blue_Jay
|
gptkbp:bfsLayer
|
6
|