Well answered, ORAC.
Buster, it was also built as a F-111 rip-off and designed for similar capabilities. It has since been very effectively upgraded to bring it GR1 class capabilities and included TFR.
It's a somewhat underestimated piece of kit, but I would still choose a GR4 any day.
Edit: I see you beat me to it, KenV. Good answer too. GR4 can carry AIM-9 or AIM-132.