Although Iran maintains that its nuclear program is for peaceful energy purposes, Israel has long seen it as a threat. Israeli strikes have hit three of Iran’s nuclear facilities — Natanz, Isfahan and Fordow. Little damage appears visible in satellite imagery of Fordow.

Israel's ongoing airstrikes and intelligence operation and Iran's retaliation raised fears of all-out war between the countries and propelled the region, already on edge, into even greater upheaval.

Iran has already developed a range of options to retaliate for strikes from Israel or the United States, potentially plunging the region into deeper turmoil