. . . "Study ofunidentified flying objects" . . . . . "Advanced_Aerospace_Threat_Identification_Program#Origins" . "Advanced Aerospace Threat Identification Program" . . . . . . "Secret program, formally disbanded" . . "2.2E7" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Advanced Aerospace Threat Identification Program" . . . . . . . . . . .