The Rafael's Iron Dome present technology is certainly not "a flawless", BUT the ONLY ONE possible, of those technologies which are realistic and workable TODAY - and in this respect it is absolutely top-of-the-line. The burning hot metal debris falling from time to time from heaven are not so much rests of Rafael's Tamir intercepting missiles (it happens too, sometimes), but much more often the debris and rests after destroyed 122 mm Iranian, Syrian, Russian or Chinese artillery-rockets, or after gigantic Iranian Fajr-5 long-range heavy artillery rockets. Some 35 terror-rockets had, until now, hit densely populated areas of Israel, which they shouldn't. During the very same time more than 320 rockets had been intercepted and destroyed by Iron Dom systems. It gives you more or less 90% success rate, or in another words some 10% real "porousness". These results are so extraordinary good, that they are simply astounding. What do you propose in stead, Gili?? That IDF/IAF stops firing Iron Dome missiles, and stop defending the Israeli civilians altogether??
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from the article: The porous shield of Israel's Iron Dome