31Z - Senior Military Police Sergeant The path to becoming a 31Z typically begins with enlistment as 31B Military Police. Senior Military Police Sergeants take their law enforcement skills and experience to the command level and are responsible for the training and readiness of those under them. 31B - Military Police As a Military Police, you’ll protect peoples’ lives and property on Army installations by enforcing military laws and regulations. You’ll also control traffic, prevent crime, and re

Army Military Police (MOS 31B): 2022 Career Details