Would you cooperate with the US Military at a task that would kill thousands of nonaggressive people that they couldn't do without your help, if you could advance the cause of liberty in other ways as a result? If they offered you 10 billion dollars, would you accept, planning to use that money to advance liberty? Or if you could ultimately use your cooperation in that task to influence it to prevent a large amount of aggression at some later time?
Would you violate the NAP/ZAP if you thought it could reduce future aggression?