Iranians close to military sites "should immediately leave these areas and not return until further notice," the Israeli military said on Sunday.

Throughout the day on Friday, Israel carried out wave upon wave of strikes on nuclear facilities and missile bases in Iran. The Natanz uranium enrichment site and the nuclear facility in Isfahan have been hit and top military leaders have been assassinated - as have nuclear scientists.

Smoke and flames filled the sky over Tehran as Israel struck oil and gas facilities in the Iranian capital and targeted more nuclear facilities during attacks that carried on into Sunday after starting two days earlier.

Israel's military said the air force had concluded a wave of overnight strikes targeting air defenses in the area of Tehran. "We damaged—and will continue to damage—strategic sites and enemy sources of knowledge,

The strikes came after the Israeli military said it had carried out fresh strikes on Iran nuclear infrastructure sites.

Prime Minister Benjamin Netanyahu of Israel presented Iran’s sophisticated ballistic missiles as a critical threat to Israel’s survival.

Maj. Gen. Yadlin, who flew in the 1981 Osirak reactor strike, explains why Israel's current operation against Iran represents a complex, multi-week campaign.