The Pentagon, with its deep experience with radar surveillance, is ideally suited to impose order.

It performed routine general radar surveillance until 30 September 1981 when the site was inactivated.

A police officer then knows whether a motorist is monitoring radar surveillance.

The air space above and around the residence should not be under direct military or radar surveillance.

Doubtless she will spend the next few years immersed in the foreign language of radar surveillance.

The Air Force continued using the western half of the facility for radar surveillance.

We keep constant radar surveillance on Air Force One whenever she's in range as a standard security measure.

Controlling aircraft over oceans is especially dangerous because radar surveillance only extends 175 to 225 miles offshore.

Consolidation and automation of radar surveillance made the Salbert facility obsolete.

"What is the point of a long-range radar surveillance?"