There are, of course, some cases in which the evidence on the tapes is so compelling that there is no credible defense.

And on this score, Tour 18 seems to have a credible defense.

"Right now, we have a credible defense in which we would exchange space for time," he said.

The Bush administration understands the importance of a credible national defense and is rightly helping a critical ally feel secure.

Uprated weapon systems, designed to make the fighter a more credible defense against the Vajra threat.

Should Fearless choose not to intervene at the outset, he won't be powerful enough to mount a credible defense by himself later.

Had he mounted a credible defense of the defile, Alexander would have been easily repulsed.

The gazer could become the pivot of Earth's only credible defense.

All countries must have a credible military defense, and Peru has not maintained one like this.

"Europe must realize the need to express its own vision of world problems and support this vision with a credible common defense."