Relax, we'll have them declared combatants posthumously.

Or are they? Jeez, war is so morally-ambiguous these days. Back in my day, you could-

By the time you finish, you're now a farmer. Planting weapons beside them

Don't worry the R.O.E are pretty downed down in this area

I think the word you're looking for is "acceptable casualties" or "prevention of future combatants". Remember, the only way to win and prevent a war is the removal of ALL potential enemies!