The assessment came hours after the country’s supreme leader had downplayed the damage the U.S. strikes had caused.

Two Israeli sources told U.S.-based ABC News that calling the operation a success would be premature at this stage, while one source downplayed the damage.

Iran's enrichment capability may be damaged, but not destroyed. Israeli nuclear experts spoke with Haaretz about how small-scale operations could resume, what was hit, and why a…