Now, with the issue suddenly in the headlines, the government has started to lift the lid on what has so far been handled as a top-secret operation.

We're taking a civilian and fast-tracking her through training so that she can participate in a top-secret covert operation.

I saw documentation that a certain agent is ramrodding a top-secret Mexican operation, arming and training the insurgents in the south for a political coup.

"The way these top-secret operations get compartmentalized, someone in Hemphill's office could very well have the sales brochure sitting on his desk right now."

Gores took part in a top-secret operation known as Ultra that broke the code of the German high command.

The other night, two majors standing in front of a top-secret operations map compared notes on the Boy Scout troops they lead at home.

This top-secret operation was mentioned in the The Cranborne Report.

"There's a new top-secret operation starting up," he said.

The team was under a grant from the Herman Foundation, and it was a real top-secret operation.

In addition to housing several top-secret operations and data, the subbasement was also where the embassy's main computer was kept.