Background From 1947 – 1969, the United States Air Force conducted an “investigation” into the UFO phenomena. It began as Project Sign, Grudge and later became known by its more popular name as Project Blue Book. After only a ...
July 21, 2019
© 2019 Copyright. The Black Vault.
This site may contain copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available in an effort to advance understanding of environmental, political, human rights, economic, democracy, scientific, and social justice issues, etc. we believe this constitutes a ‘fair use’ of any such copyrighted material as provided for in section 107 of the US Copyright Law.
If you wish to use copyrighted material from this site for purposes of your own that go beyond ‘fair use’, you must obtain permission from the copyright owner.
