UFO Book Chapter: “THE UFO EVIDENCE: SECTION IV: Army, Navy & Marine Corps”

1964 
(National Investigations Committee on Aerial Phenomena,

Washington, D.C.) 

Source: NICAP.org

Quote from the chapter:

“Rear Admiral Herbert B. Knowles, USN (Ret.), currently is a NICAP Board Member. Adm. Knowles held important submarine commands in World War II. He has also been active in encouraging witnesses to report sightings to NICAP.”

http://www.nicap.org/ufoe/section_4.htm

“Other Military Sightings”

(date range: summer 1944-10 July 1962) (many of these UFO incidents were witnessed by U.S. Navy/U.S. Marine Corps pilots/personnel):

http://www.nicap.org/ufoe/ufoe30_31.htm

(abovetopsecret.com image)