The designation DF-8F was assigned to a few F-8As converted into target
controllers. These appear to be distinct from the DF-8A (F8U-1D)
target controllers, but I have few details. Anyone have any
Vought F-8 Crusader, Peter Mersky, Osprey, 1981.
United States Navy Aircraft Since 1911, Gordon Swanborough and
Peter M. Bowers, Smithsonian, 1989.
The American Fighter, Enzo Angelucci and Peter Bowers, Orion, 1987.