If/when Israel is out to attack Iran, its aiplanes will have to fly over, or by, aifields and sensitive terminal airzones of Iran, Suadia, Bahrein,war boats and AWAKS aloft. If the US is not briefed in details about F&F, its going to be messy up there even before Iran has anything to complain about: the schpiel is BVR, shoot "beyond visual range". So not only will they know, but the Saudi too. Even their bases, ok, deserts are going to be put to use...
Pakistan: Suicide bomber attacks tribal police, killing 4 (Reuters)