Many experts have argued that Iran’s greatest mistake was not to acquire nuclear weapons

The dramatic US strike, including the targeting of Iran’s most heavily fortified nuclear installation deep underground, marks the biggest foreign policy gamble of Trump’s two presidencies and one fraught with risks and unknowns.

Now that Trump has taken the significant step of entering the US in yet another Middle East war, where could things go from here?

 U.N. nuclear watchdog chief Rafael Grossi said on Sunday he was calling an emergency meeting of his agency's 35-nation Board of Governors.

Here’s a look at what Iran’s next move might be.

He added that Iran “reserves all options to defend its sovereignty, interest, and people”.

Trump's attack comes almost exactly a decade after former president Barack Obama sealed a deal in which Iran drastically scaled back its nuclear work

"From the beginning of the operation, I promised you that Iran's nuclear facilities would be destroyed, one way or another."

"There is therefore no danger for the inhabitants living around the ... sites."

The reaction of world leaders after US forces struck three Iranian nuclear sites

Statements from key lawmakers

Trump earlier said US forces bombed Iran nuclear sites

Israeli Prime Minister Benjamin Netanyahu said Israel had agreed to Trump's ceasefire proposal

Trump said the United States struck three main Iranian nuclear sites: Fordo, Natanz and Isfahan, with the former being hit with a "full payload of bombs."

"There is a growing risk that this conflict could rapidly get out of control"

Trump says Iran nuclear sites 'obliterated'

Fars news agency said: "The air defenses of Isfahan and Kashan began to work to counter hostile targets, and several explosions were heard simultaneously."

Reuters had reported earlier on Saturday the movement of B-2 bombers

Trump ended his posting saying, "Now is the time for peace."

An Israeli attack on Saturday in Iran's west killed at least five army personnel and wounded nine others, Iranian media reported