If peace treaty's could be signed AND maintained, we probably won't need defenses at all. Its an unrealistic scenario though, I know.
The dark side awaits YOU...AngryAtheism
"Only the dead have seen the end of war..." - Plato
“Those who wish to base their morality literally on the Bible have either not read it or not understood it...” - Richard Dawkins
"Only the dead have seen the end of war..." - Plato
“Those who wish to base their morality literally on the Bible have either not read it or not understood it...” - Richard Dawkins