Israel's operation against Iran's nuclear program, military leadership and arsenal of missiles is nowhere near over, with Israel having planned out 14 days of operations, a senior Israeli official said.

"The full strength and might of the U.S. Armed Forces will come down on you at levels never seen before," Trump warned.

That surprise strike hit the heart of the Iran's nuclear program, killing several nuclear scientists as well as high-ranking military leaders, according to Israeli officials.The U.S. did not provide any military assistance or have any involvement in Israel's Friday strike,

As the head of the secretive Islamic Revolutionary Guard Corps (IRGC) Major General Hossein Salami, was one of the most powerful men in Iran, overseeing its most potent military arm and reporting directly to its Supreme Leader Ayatollah Ali Khamenei.

Follow live updates as Iran retaliates after Israel strikes nuclear facilities. Stay informed with real-time news and developments.

The Israeli military said on Friday it had “significantly damaged” Iran’s uranium enrichment facility at Natanz and that the operation was “still in the beginning.”

Some of Iran’s top military leaders were killed during Israel’s multipronged assault, which started early Friday.

Israel has called its military operation against Iran "Rising Lion", taking the name from a biblical verse that promises a victorious future for a powerful Israel.