NPR

Tensions are high along Israel’s border with Lebanon, where Israeli forces have been trading fire with the militia group Hezbollah. In a speech last week, Hezbollah’s leader warned that if war erupts, then all of Israel would be under threat.

“The enemy knows very well that no place will be safe from our missiles and drones,” Hezbollah’s leader, Hassan Nasrallah, said on June 19.

Keeping those weapons from hitting Israeli territory is the job of a sophisticated air defense system called Iron Dome. It has intercepted thousands of missiles over the years, and it has been critical to protecting Israel’s cities during the latest war in Gaza.

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