Your first point is true, and that's a fair criticism. If that is a 100% deal-breaker, then it's probably best not to join the military. But if you don't want

Your first point is true, and that's a fair criticism. If that is a 100% deal-breaker, then it's probably best not to join the military. But if you don't want to contribute to anything that could be used to kill people, you are severely limited. Anything from open-source code (Linux comes to mind) to chip design can be used to kill people. Remote control airplane hobbyist? If you have a breakthrough on your hobby, it can presumably be used in drone technology. "For every supply trip to Haiti, there are thousands of supply trips moving weapons and soldiers around the world." What's wrong with that? We have soldiers on the ground in lots of places. In a lot of ways, that's probably a good thing. The 2011 involvement in Libya, for instance, is generally viewed as a responsible intervention of US military.