These responses are remarkable because the Senators were not seeking operational details of the government's surveillance activities.

The Poles argue that such buildings were well equipped for surveillance activities, and will continue to be so under the new treaty.

A third will be responsible for all surveillance activities.

He also noted that despite extensive security measures at the Oscars, his company's surveillance activities went unnoticed.

In addition, they also gather intelligence through surveillance activities.

"Some critical surveillance activities did not receive much attention," the report said.

So he went underground, increasing the bureau's surveillance activities in all sorts of new ways.

Specific examples are often used to justify surveillance activities, usually both sides have an absence of counter-examples.

Indeed, some wonder whether surveillance activity justified by the cold war is actually worth the billions of dollars still being spent shoring it up today.

Even a minor space satellite could successfully perform certain surveillance activities.