Interesting shots. First thing that crept to mind was "early competitor to
the EA-6A/B". The F3D (or F-10 after 1962) was used in the EW-role for some
time by the USMC in Vietnam, under the designation EF-10B. They retired them
in 1970, around the same time the EA-6A and B came around.
http://en.wikipedia.org/wiki/F3D_Skyknight

Ron
--
Non urinat in ventum