UFO Bulletins:

“Special Bulletins” 
(from 1957 through 1967)

(NICAP, Washington, D.C.)

(ufodocarchive.org)

In the bulletin dated 22 April 1957, the National Investigations Committee on Aerial Phenomena informs that Rear Admiral Delmer S. Fahrney has withdrawn from his post as NICAP chairman:

http://www.ufodocarchive.org/nicap/Special%20Bulletins.pdf

Quote from the above mentioned bulletin:

“l sincerely believe that serious, factual investigations by NICAP should  continue and I have faith in your leadership to carry out this program. Also, I am under no compulsion to resign, this being due solely to personal reasons. Best wishes for the success of NICAP. (Signed) Admiral Delmer S. Fahrney, USN, Ret.”

Wikipedia article: “National Investigations Committee On Aerial Phenomena”:

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

Rear Admiral Delmer S. Fahrney,
U.S. Navy, (Ret.)
(nicap.org photo)