MOS 0369

MOS 0369 is the United States Marine Corps (USMC) Military Occupational Specialty (MOS) for Infantry Unit Leader.

General information
(0369 is decommissioned since 2008 merged 0372)The infantry unit leader is a staff noncomissioned officer with the rank of Staff Sergeant through Master Gunnery Sergeant (specifically excluding First Sergeants and Sergeants Major) who assists commanders and operations officers in the training, deployment and tactical employment of rifle, reconnaissance, direct action, weapons, Light Armored Reconnaissance (LAR), and antitank platoons/companies and infantry, and LAR battalions, and are proficient in all the infantry weapons systems.

They are usually career infantry men rising from the ranks of the enlisted infantry MOS's. Sergeant of other Marine MOS's may laterally transfer and be trained as one of the basic 03 Infantry MOS's before promotion to 0369, but they may not laterally move into this MOS as a Staff Non Commissioned Officer. By virtue of their MOS experience, deployments, and longevity, they supervise and coordinate the preparation of personnel, weapons and equipment for movement and combat, the establishment and operation of unit command posts, the fire and movement between tactical units, the fire of supporting arms, and the unit resupply and casualty evacuation effort.

As a platoon sergeant in the rifle, surveillance and target acquisition, reconnaissance, direct action, weapons, machine-gun, LAR, and antitank platoons, he advises the platoon commander on all issues of discipline, morale and welfare. He also serves as the section leader for the scout-sniper and various weapons sections and often leads task organized patrols and teams. They are trained and prepared to assume command of the platoon or unit should the need arise.