AATIP: The Secret U.S. UFO Initiative (2007–2012) and Its December 2017 Disclosure
To the point
AATIP was a hidden U.S. program (2007–2012) to study unidentified flying objects, and its 2017 disclosure sparked talk about materials allegedly tied to it and renewed debate about its scope, findings, and what secret research on unusual aerial phenomena implies for UFO investigations.