A number of American companies do not need to disclose foreign payments if they are involved in "national security" work.

Today, the special committee heard recommendation for change from former senior officials involved in national security work.

I know your father is an agent because he's done security work for us in the past.

Hallinan said there is still more security work to be done.

He did some private security work and started breeding race horses.

But now you're properly retired, not doing your security work, it's time we were able to look back on our life together without fear.

The troopers did have real security work to do on occasion.

But security work does involve a knowledge of ship's systems.

And when there was security work to be done, she tried her best to do it.

I signed on for security work and a little light brutality.