Because by 21 most people have matured enough to realize the insanity of voluntarily enlisting with the way our current government treats the military. We'll s

Because by 21 most people have matured enough to realize the insanity of voluntarily enlisting with the way our current government treats the military. We'll spend billions of dollars on getting you into a war, but when you come home you're not our problem. Gotta get them before they have any roots or real-world experience.