In an effort to maintain its cover as a harmless research center, there were no guards in the administration building.

Once in America, it's a question of maintaining your cover.

From there he'd make a quick trip to Oronsay to maintain his cover.

He'd probably better maintain his cover for the time being.

Leo took part in destroying Sagittarius to maintain her cover.

You will then report back to the fifteenth and maintain your cover.

He did what he had to do in order to maintain his cover.

You're having to waste a lot of time, running things through Holt's office to maintain your cover.

However, she managed to maintain her cover and was released, surviving through to liberation by the advancing ground forces.

The 101st Fleet has spent too much time and effort to maintain our cover as a merchantman.