Well, Yes and No, Their RN/RAF Designations were FG.1 (Fighter/Ground Attack) Phantom and FGR.2 (Fighter/Ground Attack/Recon) Phantom but the US's designations for them were F-4K & F-4M.
Atomsk, Please be kind with my states Name-sake battleship, the USS Washington. She deserved better than she received. Awesome work on the USS New York!