Other base facilities and vital installations also fell into their hands.

If it's the security angle you're worried about, then double the guard on all vital installations.

The hostages who sent the messages were "at a vital installation," the official Iraqi press agency said, but did not indicate where.

All the vital installations would be heavily defended and the Authority on the alert.

The planetary security forces were trying to restore order and protect the vital installations.

The repository is a vital installation for both programs, and some members of Congress are watching the development of the facility with new interest.

We have armored our vital installations and vehicles, as you ordered.

Even routine maintenance at vital installations has been done by foreign contractors, who brought in parts as required.

But I can't imagine they would have created such a vital installation as this without protective equipment.

There were vital installations to protect, secret weapons, anything.