Israeli officials say the U.S. has provided Israel with an advanced radar system that will give early warning in case of an Iranian missile attack.

The officials say the new radar was flown into Israel last week along with some 120 American crewmen and has been set up at the Nevatim air base in the Negev desert.

The system can pick up a ballistic missile shortly after launch. That will cut the response time of Israel's Arrow system, designed to intercept incoming missiles.

The officials spoke on condition of anonymity because the radar's arrival has not been officially made public. It was first reported in Defense News.

The Israeli military said Sunday it has "various forms" of cooperation with the U.S. military but that "as a rule we do not detail the content" of the ties.