essentially made it take cover behind the russian plane putting it exactly in the path of the rockets the syrians fired into the sky and bringing that plane down. what the russians are saying they need the new system, advanced system, to make sure the planes are safe. more advanced radar and they want to give other communications systems to make it seieasier to identify. it is a concern for the israelis. this system has a higher range. israeli plane cos could be targd in the air space in israel. just in case, there might be another standoff with the assad government once again which is something that could potentially happen as well. we know from our reporting from our own barbara starr that the u.s. is studying these measures. they believe they can get out of the way of the missiles. it is a big concern for the new system delivered there.