UFO Book Manuscript: “UFO’s: An Air Force Dilemma”

By Major Hector Quintanilla, Jr., U.S. Air Force 

(Internet Archive, San Francisco, California)

Source: National Institute for Discovery Science, Las Vegas, Nevada

The book manuscript (copyrighted 1974) was written in 1975, according to NIDS:

https://archive.org/stream/ufos-an-air-force-dilemma/quintanilla_djvu.txt

The late Hector Quintanilla, Jr. was the last chief officer of Project Blue Book (1963-1970), the U.S. Air Force’s investigation into the UFO phenomenon.

NOTE: Hector Quintanilla was a Major, according to Project Blue Book documents.

The late Major Hector Quintanilla, Jr., U.S. Air Force,

Chief Officer of Project Blue Book (1963-1969)

(ovnis-usa.com photo)