"Israel could hit Iran from multiple platforms simultaneously," a former Israeli defense adviser told Newsweek.

Iran’s second missile barrage against Israel is unlikely to deter its foe, experts say, but may help retain the support of the “Axis of Resistance” it has built up over years.

"Iran's missile attack greenlights a counterstrike by Israel, potentially the final showdown blow that Prime Minister Netanyahu has been seeking for years," said Laura Blumenfeld, a Middle East analyst at the Johns Hopkins School for Advanced International Studies in Washington.