UFO Book Chapter: “THE UFO EVIDENCE: SECTION II: INTELLIGENT CONTROL”

1964 
(National Investigations Committee on Aerial Phenomena,

Washington, D.C.) 

Source: NICAP.org

Quote from the chapter:

“UFOs have shown all of these features:

   * Inquisitiveness, and reaction to environment.

   * Powered flight.

   * Formations in coordinated flight.”

http://www.nicap.org/ufoe/section_2.htm

“INQUISITIVENESS AND REACTION CASES”

(date range: 23 July 1948-24 September 1962) (most of these 
UFO incidents were witnessed by U.S. Air Force pilots/crews and civilian pilots/crews):

http://www.nicap.org/ufoe/ufoe10_11_12.htm

Related post:

“THE UFO EVIDENCE: SECTION III: Air Force Observations”,

1964 (National Investigations Committee on Aerial Phenomena, Washington, D.C.):

ufo-book-chapter-ufo-evidence-section.html

(abovetopsecret.com image)