CIA Historical UFO Document:
“The Investigation of UFO's” by Hector Quintanilla, Jr.

The late Lieutenant Colonel Hector Quintanilla, Jr. was the
last chief officer of Project Blue Book, the U.S. Air Force’s investigation into the UFO phenomenon:

https://www.cia.gov/library/center-for-the-study-of-intelligence/kent-csi/vol10no4/html/v10i4a07p_0001.htm

Wikipedia article: “Hector Quintanilla”:

http://en.wikipedia.org/wiki/Hector_Quintanilla
















Lieutenant Colonel Hector Quintanilla, Jr., U.S. Air Force (Ret.)
(theufochronicles.com photo)