The acquisition of nuclear weapons by Iran is not a serious threat to the US nuclear deterrent.
What?
Hmmm... That would seem to assume a rational and sane enemy...
That is not the case with Iran...
Iran's first nuke will probably be loaded into a container ship headed for Baltimore and detonated in the Chesapeake Bay near me...
The tidal wave would eliminate most of the east coast between Norfolk and NYC...
Retaliation would be 50-50 for occurring, but Iranians would hide deep inside their mountains just in case Harris-Pelousy hadn't dismantled our deterrents by then...
IAC. this is one of the reasons we keep our surfboards polished and ready... Larry Niven's and Jerry Pournelle's famous mote may show up only 1.5 -miles across the water from the wife & I...