Who manages the internal service in a military unit? Platoon commander Unit commander Commander of a military unit

The commander of a military unit is responsible for managing the internal service in a military unit. The commander is the highest-ranking officer in the unit and has overall responsibility for the unit's operations, including the internal service. The platoon commander is responsible for managing a platoon, which is a smaller unit within the larger military unit. The unit commander is responsible for managing the entire military unit, including all of its platoons and other smaller units.