As far as we know they don't have the missile mentioned below developed yet. The worrysome part of this is their combination of their continued nuclear research, this long range missile development and their continued stalling for as long as they can because the UN, IAEA, Europe and the US will not put our foot down on this until something catastrophic happens. Do we not learn? Do we have to have a catastrophe happen before we do anything?

NewsMax

The latest generation of missile technology currently being engineered by Iranian scientists will be able to reach the continental United States, former Israeli ambassador to the U.N. Dore Gold said Saturday.

...

"Certainly they have the Shihab-3 missile, with a range of 1,300 kilometers, that can strike Israel," he said. "But they're developing the Shihab-4 for hitting Europe and a Shihab-5, with Russian missile technology, that can strike the Eastern Seaboard of the United States."

Tipped by: Ramblings' Journal who says

Tack on a nuclear warhead -- that contrary to the hand-wringers' carping, Iran IS developing -- and the pucker factor goes up quite a bit.

While it's not quite that easy to just slap together the two together it is a worrisome development.