DEBKAfile, Israel officials: Iran's nuclear arms program is complete, its missiles can reach US
Iran has completed the development of a nuclear weapon and awaits nothing more than a sign from Supreme Leader Ayatollah Ali Khamenei to start assembling its first nuclear bomb, said Israeli Military Intelligence Chief Major General Aviv Kochavi.

A different version of this story:

Israel says Iran has material for four A-bombs | Reuters
Arming a missile with a nuclear warhead, [Kochavi] added, could take a year or two longer.