archive_org · gov / mil cred 4 · 1990-01-01 Project Blue Book : the top secret UFO findings revealed Embedded from archive.org · open direct · source page vii, 423 pages, 32 unnumbered pages of plates : 18 cm Includes bibliographical references Tags agency: US Air Force evidence: Document program: Project Blue Book source: Public ArchiveSocial Media Metadata (14) Sourcearchive_orgSource tier1 (gov / mil)Credibilitytier 4 / 5KinddocumentMIMEapplication/pdfSize18.84 MBPublished1990-01-01First seen2026-05-10 08:52Last seen2026-05-10 08:52Source URLhttps://archive.org/details/projectbluebookt0000unseDirect URLhttps://archive.org/download/projectbluebookt0000unse/projectbluebookt0000unse.pdf· mediatypetexts· subjectUnited States. Air Force, États-Unis. Air Force, Unidentified flying objects -- Sightings and encounters -- United States, Ovnis -- Observations et rencontres -- États-Unis, Unidentified flying objects -- Sightings and encounters, United …· querytitle:"project blue book" Permalink: /item/01KR8HDKTPJ93C334H1QGDNN5R.html Related archive_org · gov / mil cred 4 Project Blue Book - 1940s Case Files - 505 cases Project Blue Book was one of a series of systematic studies of unidentified flying objects (UFOs) conducted by the United States Air Force. It started in 1952, and it was the third study of its kind (the first two were projects Sign (1947) and Grudge (1949)). A termination order… 2015-01-01 archive_org · gov / mil cred 4 Project BLUE BOOK (roll 1) Roll 1 (microfilm) Case Files of Individual Sightings, Index, and File Nos. 1-54 , summer 1947-July 9, 1947, Project Blue Book . Released by U.S.National Archives and Records Administration (NARA), 1976. RG (Record Group) 341. 1976-01-01 archive_org · gov / mil cred 4 Project Blue Book : the top secret UFO findings revealed Includes bibliographical references 1976-01-01 archive_org · gov / mil cred 4 1969 01 7171740 Boydton Virginia 1969 01 7171740 Boydton Virginia 1969-01-01 archive_org · gov / mil cred 4 1969 02 6779126 Dallastown Pennsylvania 1969 02 6779126 Dallastown Pennsylvania 1969-01-01 archive_org · gov / mil cred 4 1969 01 7171622 Covington Ohio 1969 01 7171622 Covington Ohio 1969-01-01 archive_org · gov / mil cred 4 1969 09 7442856 Dayton Ohio 1969 09 7442856 Dayton Ohio 1969-01-01 archive_org · gov / mil cred 4 1969 08 6782490 NearFairborn Ohio 1969 08 6782490 NearFairborn Ohio 1969-01-01