As I said before people handle it differently. However in theory every Marine should be a "die hard killing machine" I do not mean that in a bad way in the slightest, just that the fact if all goes well every Marine no matter the MOS from cook to nuclear engineer should have the skills and mental training to take life. Again to much emphasis on the youtube video, it was just throwing it out there along with this quote: "I enjoy killing Iraqis," says Staff Sgt. William Deaton, 30, who had killed a hostile fighter the night before. Deaton has lost a good friend in Iraq. "I just feel rage, hate when I'm out there. I feel like I carry it all the time. We talk about it. We all feel the same way." to prove not everyone is "all talk". You could also go google/youtube several dozen Airstrike/gun fire videos. After the bombs and shooting is over listen to all the cheering and Oorahs. I think we both get each others points, so unless you bring up something else I am done with this convo.