Enlisted Soldiers are the backbone of the Army, responsible for carrying out orders and ensuring the success of their unit's mission. Here are the requirements to become an enlisted Soldier: Age: Between 17-35 years old Medical, Moral, Physical: Medically and physically fit, and in good moral standing Citizenship: A U.S. citizen or permanent resident with a valid Green Card Education: A high school graduate or equivalent Test Score: A minimum score on the Army’s placement exam