NEWSRAEL: It is further reported that the failure of its air defense system at Natanz has got Iran in a fit and heads are about to roll... Updated Iranian sources revealed that unmanned aerial vehicles penetrated Iran's airspace because air defense systems were unable to shoot them down. According to the Kuwaiti newspaper Al-Qabas, more than five reconnaissance UAVs penetrated Iranian airspace, and the Iranian missile system "Bavar 373" and the Russian S-300 missile system failed to shoot them down.