Unidentified: Inside America's UFO Investigation (2019)

S2E8 Extraterrestrial Encounters

During his time with the Pentagon's Advanced Aerospace Threat Identification Program (AATIP), Lue Elizondo pinpointed five distinct traits of UFOs, known as the "five observables." However, he soon turned his attention to a potential sixth observable—a hidden danger these crafts might present. As he delves deeper into this phenomenon, Elizondo discovers previously untold stories from U.S. Air Force members assigned to the nation's most classified locations.