If you feel you're likely to disagree with or be offended/disgusted by what you are ordered to do then don't sign up
Given that they have been engaged in this somewhat dubious war for 9 years now, there can't be that many enlisted men who didn't know about it when they signed up, or haven't had the opportunity to leave the service in the normal way in the interim. This fact does rather diminish the probability that dammit is correct to surmise that
It would be perfectly possible for the majority of soldiers currently on active duty to disagree strongly with the conflict that they are engaged in prosecuting.
Given that they have been engaged in this somewhat dubious war for 9 years now, there can't be that many enlisted men who didn't know about it when they signed up, or haven't had the opportunity to leave the service in the normal way in the interim. This fact does rather diminish the probability that dammit is correct to surmise that