6512th Test Squadron - McDonnell F-4C-15-MC Phantom 63-7407    7407 was first F-4C built for USAF.  Converted to NF-4C.  Now at Air Force Flight Test Center
Museum Airpark, Edwards AFB, CA.
United States Air Force
1991
Martin, Patrick (1994). Tail Code: The Complete History of USAF Tactical Aircraft Tail Code Markings. Schiffer Military Aviation History. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-88740-513-4" title="Special:BookSources/0-88740-513-4">ISBN 0-88740-513-4</a>.