UFO Journal Issue:
“UFO INVESTIGATOR”, 

November 1973 

(National Investigations Committee

on Aerial Phenomena, Washington, D.C.)

Source: CUFOS.org

The journal (published in Kensington, Maryland) contains articles on the 11 October 1973 Pascagoula, Mississippi, UFO case and the 18 October 1973 U.S. Army helicopter UFO incident (the Coyne case) over Mansfield, Ohio:

http://cufos.org/UFOI_and_Selected_Documents/UFOI/092%20NOVEMBER%201973.pdf

Lieutenant Colonel Lawrence J. Coyne,
U.S. Army (youtube.com image)