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,

Israel has launched a series of strikes against Iran, targeting the country’s nuclear program and other military infrastructure. Iran has launched its own strikes in retaliation.

Israel signaled no letup in its campaign to destroy Iran’s nuclear capabilities, with risks in the oil-rich region rising as the nations bombarded military and civilian targets alike.

Israel launched an expanded assault on Iran on Sunday, targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a fresh barrage of deadly strikes. The simultaneous attacks represented the latest burst of violence since a surprise offensive by Israel two days earlier aimed at decimating Tehran’s rapidly advancing nuclear program.

Israel's ambassador to the United States said Sunday that Israel was not looking to limit or quickly finish up its war with Iran. "The objective is not to contain the war. The objective is to win the war,