Entombed in a mountainside south of Tehran: a enrichment plant vital to Iran’s nuclear ambitions, and Israel’s attempts to dismantle them.

If the U.S. decides to support Israel more directly in its attack on Iran, one option for Washington would be to provide the “bunker-buster” bombs believed necessary to significantly damage the Fordo nuclear fuel enrichment plant,

Only the U.S. military has the 30,000-pound bomb capable of reaching the facility and the bomber that can carry it.