I don't see a moral difference between being the person pulling the trigger and being the person who supplies the person pulling the trigger. Everyone in the military is there because they make the organization more effective at war. I couldn't be a part of that.

I'm a CS grad student right now. I'm not eligible for federal funding so I teach for money.

If supporting is just as bad in your view, where do you draw the line. Did it ever occur to you that your teaching could be enabling people to program weapons for the military?

I draw the line at "loving my enemy." For example, some of my students are in ROTC. I do my best to teach them even though they are my "enemies" on this particular issue. The line is definitely pretty fuzzy though.