Originally Posted by
Flying_Anorak
from one of the F4Js (Phantom F3) that the RAF had
There was no such thing as a 'Phantom F3'. They were only ever known as the F-4J(UK), apparently to avoid confusion with the soon to be entering service, Tornado F.3, not that that makes much sense, since there appeared to be no confusion between the Jaguar and Tornado, both of which were GR.1's at the time...
-RP