An IDF official said at a briefing Saturday that strikes on Iran’s nuclear sites in Natanz and Isfahan were able to damage the sites “significantly.” Iran previously said that damage to the facilities was limited.

Under the Islamic Republic that took power in 1979, enmity toward Israel has been a core ideological tenet of Iranian foreign policy and a key driver in its regional policy. Over decades, their rivalry played out mainly through indirect actions by Iran and by covert operations from Israel.