The threat had been repeated so often over so many years that it had started to ring hollow. Now, Israel's actually done it: striking Iran in a bid to destroy its capacity to build nuclear weapons. Tel Aviv sees a window of opportunity, and with Tehran’s proxies in Syria, Lebanon and Gaza either gone or debilitated, the Israelis are also targeting the senior leadership around Ayatollah Ali Khamenei. So what’s the ultimate goal: military superiority or regime change?

All-out war: How far will Israel and Iran go?