Israel’s vaunted Iron Dome defense system is more like an iron sieve. It fails to destroy all but a few of the rockets that Hamas and other Palestinian militant groups fire at Israeli communities. But Israel’s early-warning civil-defense systems have proved highly effective.
The radar-guided Iron Dome missile, meant to intercept and smash incoming rockets in the seconds before they strike their targets, works just a small fraction of the time, according to a detailed analysis carried out by scientists at the Massachusetts Institute of Technology.
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