A reactor in Tehran is a monument to the U.S. relationship with Iran when the country was led by a secular, pro-Western monarch.

As the U.S. deployed decoy B-2 bombers west over the Pacific, military officials quietly sent a “strike package” east over the Atlantic to hit nuclear facilities in Iran. WSJ breaks down Operation Midnight Hammer.

Ballistic experts say it's too soon to determine how much damage Iran's nuclear facilities sustained in the weekend attack. On Saturday night, the United States targeted nuclear sites in Iran believed to be essential to the country's ability to produce nuclear weapons: a uranium enrichment site located in northwestern Iran -- deep inside a mountain in Fordo -- along with another uranium enrichment site in Natanz and the Isfahan Nuclear Technology Center,