Trump says damage to Iran's nuclear sites is 'far below ground level'

A Washington Post poll conducted earlier this week, ahead of the U.S. strikes, found that more Americans opposed than supported potential airstrikes against Iran.

The poll, conducted on Wednesday, asked, "At this time, would you support or oppose the U.S. military launching airstrikes against Iran over its nuclear program?"

The poll found that 45% oppose, 25% support and 30% are unsure.

B-2 bombers dropped a number of Massive Ordnance Penetrator bombs -- known as the bunker buster -- during the U.S. mission over Iran, a U.S. official confirmed.

A number of Tomahawk cruise missiles were also fired at targets inside Iran from a U.S. Navy submarine, the official confirmed.

-ABC News' Luis Martinez

Democratic New York Rep. Alexandria Ocasio-Cortez said Trump's strikes on Iran constitute "grounds for impeachment."

“The President’s disastrous decision to bomb Iran without authorization is a grave violation of the Constitution and Congressional War Powers," she said on X. "He has impulsively risked launching a war that may ensnare us for generations. It is absolutely and clearly grounds for impeachment."

The Iranian Atomic Energy Organization confirmed the strikes on the nuclear sites in Fordow, Natanz and Isfahan, condemning the attack as a "heinous act in contradiction with the international law."