New Delhi, July 17 -- One of the three Iranian nuclear enrichment facilities targeted by US airstrikes last month - the Fordo site - was "mostly destroyed," significantly delaying Iran's enrichment capabilities at that facility by up to two years, according to a recent US intelligence assessment, NBC News reported.

The report, based on interviews with five current and former US officials familiar with the matter, also noted that two other sites - Natanz and Isfahan - suffered less damage and could be operational again within several months if Iran chooses to resume activity.

"Iran's key enrichment facilities have been completely and totally obliterated," President Donald Trump said in a post-strike comments, calling the operation a mili...