Project Blue Book: Closure in 1969 and the Emergence of Renewed UFO Inquiry

To the point

Although the Air Force shut down Project Blue Book to make UFOs go away, persistent sightings and a sequence of investigations and official reviews—Sign and Grudge, the Robertson Panel, the Condon Report—together with Hynek’s independent work, Mark O’Leary’s commentary, and renewed Navy and Pentagon interest, kept the topic alive and steered inquiry toward serious scientific study of aerial phenomena.