Sentence examples for a valid enemy from inspiring English sources

If Pyongyang is a valid enemy in the U.S. war on terrorism, how to respond?

As a practical matter, militaries will want to know that there is, in fact, a valid enemy target in the area before using an expensive weapon".

The severity of parasitism by each enemy species in each galler species was defined as the maximum observed level of mortality inflicted in the population samples (see Additional file 1 for exact rates of parasitism), which is a valid indicator of the potential importance of natural enemies [ 10].

When the opponent has built a valid defense, there's no use throwing your forces at enemy entrenchments.

By his own words and actions, Bin Laden has proven to be an enemy of this country -- meaning he is indeed seen as a valid military target to most people.

A valid enough excuse.

That is a valid point.

Is that a valid argument?

It's a valid question.

I had a valid passport.

"A valid point," Alec said.