1.   Air Force officers used the occasion to argue that the current alert system is virtually fail-safe.

2.   But the Patriots are part of an early warning system that formalizes the prompt sharing of operational intelligence, and an alert system used during the Persian Gulf war.

3.   Emerson Research, a branch of Emerson Radio Corp., introduced a new model clock radio this year that incorporates a weather alert system.

4.   Governor announces child alert system in memory of slain boy.

5.   His biggest function seems to be to supply gags to late-night comics with his color-coded alert system.

6.   It included upgrades to ground radar and alert systems to prevent runway incursions.

7.   It is too early to tell whether the radio alert system failed.

8.   Ridge said the alert system would be specific enough to enable authorities to put cities, landmarks, industries and sectors of the economy on different levels of alert.

9.   The administration introduced the color-coded alert system last month.

10.   The airport does have a less-sophisticated, low-level wind-shear alert system with sensors that measure wind speed and direction.