Since Israel began its concerted attack on Iran on Friday, calls for regime change in Iran have grown louder – from hawks in the US Congress to Israeli officials and some Iranian activists abroad.

The group is one of the most powerful and shadowy arms of Iran’s military, and it has long been on the front line of a shadow conflict with Israel.

Trump said Sunday he remained optimistic about Israel and Iran reaching a deal, but added "sometimes they have to fight it out."

The Iron Dome is designed to protect Israeli citizens by launching guided missiles to intercept incoming rockets and other short-range threats in mid-air.

As the Iran-Israel conflict intensifies, the U.S. deploys the USS Nimitz aircraft carrier along with support tankers to bolster military readiness.

Prime Minister Benjamin Netanyahu asserted that Israel "controls the skies over Tehran" and is progressing towards eliminating Iranian nuclear and missile threats. This statement, made during a visit to the Tel Nof airbase,

"They mainly target metropolitan areas. We see that most of their fire is aimed at the Haifa metropolitan area, the Dan metropolitan area, and the Be'er Sheva region."