1.   But those were the days before sophisticated radar and satellite positioning systems became common fixtures on commercial vessels.

2.   J-STARS is the most sophisticated radar system yet developed for the US military.

3.   NATO wanted the planes for their sophisticated radar to avoid Serb missiles.

4.   Passenger planes have a more sophisticated anti-collision radar that is not required on cargo planes, but it has been installed on these.

5.   Sophisticated military radar readouts have been shown to FBI investigators, a source familiar with the investigation said, but he would not say whether missile tracks were detected.

6.   The United States withdrew some Army Special Forces officers and sophisticated radar equipment from the anti-drug effort in Peru.

7.   Without sophisticated radar or global positioning systems available today, the exact location of the plane when it dropped the bomb is unknown.

8.   At issue over Taiwan is the prospective sale to the island of four U.S. destroyers with highly sophisticated radar equipment.

9.   Contributing to the accident was the lack of sophisticated radar in New Delhi and the use of a single flight path for landing and taking off.

10.   Defense Minister Luis Fernando Ramirez flew to Washington on Wednesday where he has reportedly lobbied for state-of-the-art helicopters and sophisticated radar technology.