Iran says its nuclear program is for civilian energy purposes, and so peaceful. But it had enriched uranium to a near weapons-grade level, and well beyond what is needed for energy, putting it close to developing a bomb if it opted to do so.

US airstrikes on Iran set back the country’s nuclear program by one to two years, a Pentagon spokesman said, adding to uncertainty around the status of the country’s facilities after President Donald Trump said they’d been obliterated.