dphantom alleges, " Don't get your knickers wadded up. Israel is the one country outside of the big 5 nuclear powers you can trust not to use nukes except in the case of national survival. There are other means to render unusable even those Iranian installations that are underground."
The problem is that Israeli saber rattling by a possibly nuclear armed missile carrying Israeli navy ships right off the Iranian coast cuts both ways. Especially when various terrorists groups not aligned with Iran in any way will be almost irresistibly tempted to take
pot shots at such a tempting Israeli target. And because most of that Israeli fleet engaged in Saber rattling are surface ships, they are sitting ducks once inside of the Persian gulf. In terms of even exocet missile class weapons of which Iran has a plethora of, anything in the Persian gulf is point blank range.
As I recall, GWB&co recently tried a similar stunt with a US air craft carrier, and Iran kept a cool head, and let the carrier sail in, circle around, and let the carrier sail out while pretending not to notice. It did not change Iranian policy in any way and hence was a waste of taxpayer bucks. But all it takes is one hot head to create carnage on all sides. With a guarantee every Israeli surface ship will be sunk. Meanwhile, unless Israelis willing to use nukes, such surface ships are far less effective than state of the arts planes and smart bombs in terms of taking out all deeply buried Iranian nuclear sites. And such a sortie of surface ships gives Iran somewhat the right to make their own pre-emtive strike.
The Israeli problem is and remains, Iran is too big, too distant, and too strong for Israel to attack.
But if its this thread is dedicated to the thesis that its merely Israeli saber rattling and thus a bluff, from the Israeli standpoint, it neatly avoids the problem of Israeli aircraft over fly rights over multiple countries, and accomplishes little else.