The Marine Corps MOS code 3531 is for Motor Vehicle Operators. These operators are responsible for inspecting, operating, and managing tactical wheeled vehicles. They transport troops, supplies, and equipment in a variety of terrain and weather conditions. They also perform maintenance and maintain all associated tools.
Motor Vehicle Operators are among the highest-ranking military occupational specialties within OccFld 35. They complete motor transportation school to learn how to drive a variety of Marine Corps vehicles.
Marines who choose the Vehicle Maintenance path attend 59 days of training at the Automotive Organizational Maintenance Course.