I disagree. Because many of them weren't aware they would be shipped to conbat zone.I was never in the military but for combat soldiers... I think it's about living a code of honor while fulfilling tribalistic desire. It's a code of honor that is given to the enemy combatants as well. They're all playing the game of death. Kinda like gangbangers.
For many people, it's a JOB OUT OF HIGH SCHOOL!!! Not even kidding.