Iran has seen a central plank of its regional deterrence collapse in a matter of weeks, with its most important ally, Hezbollah in Lebanon, faced with catastrophic defeat.
Tehran has threatened Israel with retaliation, saying that it cannot stand aside and watch as Israel first destroys Hamas in Gaza, then Hezbollah.
However, analysts say that Tehran has limited options against its militarily superior enemy, which can strike anywhere in Iran, as the Israeli prime minister Binyamin Netanyahu warned again this week. Any action would more resemble futile revenge, and an effort to restore its standing among its supporters, than a strategic threat to Israel. Here are some scenarios:
In April Iran launched hundreds of missiles and drones at Israel after an airstrike levelled its consulate