Iran has deployed one of its most powerful weapons – the Sejjil-2. Fired as part of Operation True Promise III, a multi-wave missile campaign targeting Israel, the Sejjil-2 marks a leap in Iran’s use of long-range strategic firepower. Iran has deployed one of its most powerful weapons – the Sejjil-2. Fired as part of Operation True Promise III, a multi-wave missile campaign targeting Israel, the Sejjil-2 marks a leap in Iran’s use of long-range strategic firepower.