Marine Infantry MOS Options

Introduction to Marine Infantry MOS Options

The United States Marine Corps is known for its elite fighting force, and at the heart of this force are the Marine Infantrymen. The Marine Infantry is the backbone of the Marine Corps, responsible for engaging and destroying the enemy. Within the Marine Infantry, there are several Military Occupational Specialties (MOS) that cater to different skills and interests. In this blog post, we will explore the various Marine Infantry MOS options, their roles, and responsibilities.

MOS 0311: Rifleman

The Rifleman is the most common MOS in the Marine Infantry. Riflemen are the frontline troops who engage the enemy, conduct patrols, and participate in combat operations. They are trained to use various weapons, including the M4 carbine, M27 infantry automatic rifle, and M249 light machine gun. Riflemen are the foundation of the Marine Infantry and are responsible for accomplishing the mission.

MOS 0313: Light Armored Vehicle (LAV) Crewman

The LAV Crewman operates and maintains the LAV-25, a lightly armored vehicle used for reconnaissance and security missions. LAV Crewmen are trained to navigate, communicate, and engage targets using the vehicle’s weapons systems. They work closely with other Marine units to provide supporting firepower and reconnaissance.

MOS 0314: Rifle Squad Leader

The Rifle Squad Leader is a leadership position that requires experience and expertise in infantry tactics. Rifle Squad Leaders are responsible for leading a squad of 13 Marines, making tactical decisions, and executing the mission. They are trained to analyze situations, develop plans, and direct their squad to accomplish the objective.

MOS 0331: Machine Gunner

The Machine Gunner is responsible for operating and maintaining machine guns, such as the M240 and M2.50-caliber machine gun. Machine Gunners provide suppressive fire to support infantry units and are trained to engage targets at various ranges. They work closely with other Marines to provide covering fire and protect friendly forces.

MOS 0341: Mortarman

The Mortarman operates and maintains mortars, which are used to provide indirect fire support to infantry units. Mortarmen are trained to calculate firing data, navigate, and communicate with other units to deliver accurate and effective fire. They work closely with other Marines to provide supporting firepower and soften enemy defenses.

MOS 0351: Infantry Assaultman

The Infantry Assaultman is responsible for breaching and clearing enemy fortifications, such as bunkers and buildings. Infantry Assaultmen are trained to use explosives, demolitions, and other specialized equipment to create breaches and clear obstacles. They work closely with other Marines to provide supporting firepower and facilitate the advance of friendly forces.

Comparison of Marine Infantry MOS Options

The following table summarizes the different Marine Infantry MOS options, their roles, and responsibilities:

MOS	Job Title	Role
0311	Rifleman	Engage enemy, conduct patrols, and participate in combat operations
0313	LAV Crewman	Operate and maintain LAV-25, provide supporting firepower and reconnaissance
0314	Rifle Squad Leader	Lead squad, make tactical decisions, and execute mission
0331	Machine Gunner	Operate and maintain machine guns, provide suppressive fire
0341	Mortarman	Operate and maintain mortars, provide indirect fire support
0351	Infantry Assaultman	Breach and clear enemy fortifications, provide supporting firepower

💡 Note: These MOS options are not exhaustive, and there may be other specialized roles within the Marine Infantry.

As we have explored the various Marine Infantry MOS options, it is clear that each role requires unique skills, training, and expertise. Whether you are interested in leading a squad, operating a machine gun, or breaching enemy fortifications, there is a Marine Infantry MOS that can match your skills and interests. By understanding the different roles and responsibilities within the Marine Infantry, you can make an informed decision about which MOS is right for you.

In summary, the Marine Infantry is a vital component of the Marine Corps, and the various MOS options within it offer a range of challenging and rewarding career paths. By choosing the right MOS, you can contribute to the success of the Marine Corps and serve your country with pride. The Marine Infantry is a brotherhood of warriors who are committed to defending their country and upholding the values of the Marine Corps. If you are interested in joining this elite group of warriors, consider the various Marine Infantry MOS options and find the one that is right for you.