As conflict between Israel and Iran escalates, the damage is clear on the ground in both countries. How are Iran’s missiles evading Israeli defences?

Israel’s air defenses—a multilayered system that includes the famed Iron Dome—are among the best in the world and the most battle-tested, but even so they aren't completely impenetrable, Israeli officials and air-defense experts say.

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.