Assertion: project blue book | /r/CapableOf | cover up true investigation
Facets:
value: into the alien presence on earth
type: OTHER
Source sentences:
text: Project Blue Book, it seems, was just a low level collection and disinformation program created under Project Sign (of December 1947) which evolved into Project Grudge (of December 1948) to cover up the true investigation into the alien presence on Earth.