That's Prince Charles. He is only Crown Prince, not King, and even if he was king, as his mother is Queen, it wouldn't matter a bit. However his sons are in the British Army, about to deploy to Iraq, either one of them is more likely to become King than he is, and I guarantee the only "exchanges" they'll be having with the Iranians will involve fire from, in the case of Coronet Henry Wales (Prince Harry) a Scimatar light tank (more like an infantry fighting vehicle actuallY,
Or in the case of Second Lieutenant William Wales (Prince William) possibly a Swingfire anti-tank missile fired from a Striker armored vehicle.