Background Project Sign was an official U.S. government study of unidentified flying objects (UFOs) undertaken…
Browsing: project blue book
Background The following documents were taken from a longer oral history transcript from General John…
Background This file is from the Project Blue Book collection within the National Archives. It…
Background Project Blue Book Special Report No. 14 was a massive statistical analysis undertaken by…
by John Greenewald, Jr. — The Black Vault — Originally Published June 26, 2020 The…