MOS 0369 is the

United States Marine Corps The United States Marine Corps (USMC), also referred to as the United States Marines, is the maritime land force service branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations through c ...

(USMC)

Military Occupational Specialty A United States military occupation code, or a military occupational specialty code (MOS code), is a nine-character code used in the United States Army and United States Marine Corps to identify a specific job. In the United States Air Force, a sy ...

(MOS) for Infantry Unit Leader.

General information

The

infantry Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized infantry & mechanized infantry, airborne infantry, air assault infantry, and mar ...

unit leader is a staff

non-commissioned officer A non-commissioned officer (NCO) is a military officer who has not pursued a commission. Non-commissioned officers usually earn their position of authority by promotion through the enlisted ranks. (Non-officers, which includes most or all enli ...

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 In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities. Examples of reconnaissance include patrolling by troops ( skirmishe ...

, direct action, weapons,

Light Armored Reconnaissance The United States Marine Corps Light Armored Reconnaissance Battalions, or LAR Battalions, are fast and mobilized armored terrestrial reconnaissance units that conduct reconnaissance-in-force (RIF) ahead of the battalion landing teams or divisio ...

(LAR), and antitank

platoon A platoon is a military unit typically composed of two or more squads, sections, or patrols. Platoon organization varies depending on the country and the branch, but a platoon can be composed of 50 people, although specific platoons may rang ...

companies A company, abbreviated as co., is a legal entity representing an association of people, whether natural, legal or a mixture of both, with a specific objective. Company members share a common purpose and unite to achieve specific, declared go ...

and infantry, and LAR

battalion A battalion is a military unit, typically consisting of 300 to 1,200 soldiers commanded by a lieutenant colonel, and subdivided into a number of companies (usually each commanded by a major or a captain). In some countries, battalions ...

s, and are proficient in all the infantry weapons systems. They are usually career infantry men

rising from the ranks Rising from the ranks, through the ranks or commissioned from the ranks refers to enlisted soldiers being commissioned as officers. In class-conscious societies of the past, such as Britain during the Napoleonic Wars, for example, this was a relat ...

of the enlisted infantry MOSs. A sergeant of other Marine MOSs may laterally transfer and be trained as one of the basic 03 Infantry MOSs 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 post Command and control (abbr. C2) is a "set of organizational and technical attributes and processes ... hatemploys human, physical, and information resources to solve problems and accomplish missions" to achieve the goals of an organization or e ...

s, 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 Surveillance and target acquisition is a military role assigned to units and/or their equipment. It involves watching an area to see what changes (surveillance) and then the acquisition of targets based on that information. Artillery STA The ro ...

, reconnaissance, direct action, weapons,

machine-gun A machine gun is a automatic firearm, fully automatic, rifling, rifled action (firearms)#Autoloading operation, autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as Automatic shotgun, a ...

, LAR, and antitank platoons, he advises the platoon commander on all issues of discipline,

morale Morale, also known as esprit de corps (), is the capacity of a group's members to maintain belief in an institution or goal, particularly in the face of opposition or hardship. Morale is often referenced by authority figures as a generic value ...

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. In a rifle company, a staff sergeant with the military occupational specialty of 0369 may serve as a machine gun or mortar section leader in a weapons platoon, or a platoon sergeant for a rifle platoon. In a weapons company, a staff sergeant may serve as a section leader for a Combined Anti-Armor Team, or as a section leader in a heavy machine gun platoon, 81mm mortar platoon or anti-armor platoon. An infantry gunnery sergeant may serve as a weapons platoon sergeant or as the Company Gunnery Sergeant for a rifle company. Additionally, gunnery sergeants are platoon sergeants for the Combined Anti-Armor Team, heavy machinegun platoon, or anti-armor platoon. Master sergeants in this Military Occupational Specialty serve in the weapons company as the Company Operations Chief, or in the battalion operations section (S-3). An infantry master gunnery sergeant serves as the unit Operations Chief for an infantry battalion or higher (regiment, division, etc.)

External links

0369, Infantry Unit Leader
- ''usmilitary.about.com'' United States Marine Corps personnel {{USMC-stub