An X-band radar is a powerful phased array radar that can target the warhead of a long or medium range missile in space. The United States has deployed one in Japan and plans to install a larger X-band radar in the Czech Republic.U.S. Army Deploys Radar System In Israel -- International Herald Tribune
JERUSALEM: The United States Army has deployed an advanced American radar system on Israeli soil, an official here said on Sunday, allowing early detection of incoming ballistic missiles and enhancing Israel's defensive capability against any future attack by Iran.
The system will initially be operated by an American crew.
No official announcement has been made by either side about the arrival of the system. The Israeli Army said in a statement that while it "enjoys longstanding strategic cooperation" with all branches of the American military, it is not its practice to discuss details of the bilateral activities.
But an official confirmed a Sept. 26 report published by Defense News, a weekly newspaper published by The Army Times, saying that the system had been flown to Israel in parts over the past week and was being installed in the Negev Desert. He added that it would serve not only Israel, but the United States, too.
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More News On This Radar System In Israel
Israel supplied with long-range radar, but US to get missile warning first -- The Guardian
U.S. establishes permanent radar site in Israel to watch Iran -- The Montreal Gazette
US operates anti-missile radar in Israel: report -- Space war
US Deploys Radar in Israel Amid Fears of Iranian Attack -- Voice Of America
U.S. missile radar to shield Israel against Iran -- Reuters
US: IDF can't man Negev radar system -- Jerusalem Post
U.S. deploys radar system at Israel base to detect Iran missiles -- Haaretz
My Comment: This base in Israel is entirely manned by an American crew .... no Israelis permitted. I guess that says volumes on how top secret this technology is.