The Iron Dome missile defense system has achieved a nearly 90 percent success rate since Monday night, an improvement over its performance during Operation Pillar of Defense in November 2012.

The defense system is activated only when the rockets fired by Palestinian militants at Israel appear likely to hit populated areas.

It has been activated to intercept about 27 percent of the approximately 180 rockets fired between Monday night and midday Wednesday. Of the times when Iron Dome was activated, it successfully intercepted the rockets nearly 90 percent of the time, and there have been few rocket hits or serious injuries. […]