The radar operator did not react to his friend's remark.

The radar operator didn't even report this to the supervisor.

A few seconds later, he was talking to the tower's radar operator.

May At that moment the radar operator gave a sign indicating he was ready.

The radar operator was sitting in front of a blank scope.

The colonel, standing behind a radar operator, waved him over.

Knowing those things, Serbian radar operators would have a better sense of when and where to watch.

The radar operator held her temper in check with an effort.

Though no attack at all had been launched into their territory, the radar operators were keeping a close eye on things.

The other member of his crew, a radar operator, did not survive.