Security guards, he said, have to be put in situations that require them to figure out how to react to different threats.

One site was destroyed right away, but since there were three different immediate threats, it required precious seconds for the F-16s to coordinate their response.

That's four front men who offer different threats to the opposition.

We need a new framework that allows us to build missile defenses to counter the different threats of today's world.

The $4,500 price tag for removal represented a different threat.

Other analysts may fail to distinguish between these different threats.

The antispammers, on the other hand, pose a different threat.

But now there is talk of a different threat.

"Every generation of Americans faces up to different threats."

The growth of the chemical and pharmaceutical companies poses a different threat to Rhine life.