Israel did something in the early 80's.....they might again.
I seem to recall Israel saying a few months ago that Iran would never be allowed to build their nuke bombs. I believe Israel!
I recommend friendly Iranian citizens (of which there are many) buy dark glasses and move as far away from the nuke facilities as they can. If Israel is pressed, it aint gonna be pretty!
The problem that Iran nuclear facilities are too many and they cannot be destroyed in one single air strike as Israel did to Iraq Tamuz nuclear reactor in 1981. Only the United States has the capability of destroying Iran nuclear facilities because such acts require many air strikes for at least one week. However if we start these strikes we must destroy all their military capabilities and not just their nuclear one. It should a four to six weeks of intensive air war like the 1991 Gulf war against Iraq and we must also physically eliminate the Mullahs terrorist leadership.