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Duties of Marine Infantry

Duties of Marine Infantry- Look at the duties of a Marine Infantryman. Each duty falls under one of a number of umbrellas.

Marine Infantry (Field 03) is the military branch’s backbone, with the primary purpose of conquering and controlling ground.Information Guide Nigeria

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The Marine Corps divides its infantry into groups based on weapon systems and tactics rather than specializations. Rifleman (0311), machine gunner (0331), mortarman (0341), assault man (0351), or antitank missileman are all options for Marine infantry (0352)

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The Marine Corps Ground Combat Element relies heavily on the infantry. In Marine Corps conflicts, Marines in these positions labor on the ground to locate enemy locations, defend against enemy attacks, and kill enemy forces. Infantry positions are open to both enlisted Marines and officers.Duties of Marine Infantry

Duties of Marine Infantry

The responsibilities/duties of marine infantry are divided up into several types. There are distinct responsibilities assigned to each of these classes. Let’s get into the meat of each of them without further ado.


This is one of the duties of marine infantry. The M16M4/A4 Service Rifle, the M203 Grenade Launcher, and the M27 Infantry Automatic Rifle are the weapons carried by Riflemen (IAR). The MAGTF relies heavily on its riflemen as its primary scouting, assault, and close combat force. They are the most important part of the Marine Infantry Organization and serve as the center of the firing team for the rifle squad, the scout team for the LAR Squad, and the Scout Snipers for the infantry battalion. Noncommissioned officers are in charge of several teams in the military, including Rifle Squad Leaders, Fire Team Leaders, and Scout Team Leaders.

Riverine Assault Craft

Those who are able to operate the ship’s weapons systems, such as the MK-19 Grenade Launcher, the M2.50 Caliber Machine Gun, and others, fall within the scope of this MOS. Coxswains for the RRAC and RACs also fall under this MOS’ purview.20 Best Fair & White Skin Care and their Prices in Nigeria

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LAV Crewman

LAV Crewmen are in charge of the Light Armored Vehicle (LAV).

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As a result, LAV crewmen are proficient in Armored Reconnaissance.

Marine MOS 0313 teaches basic infantry abilities as well as a wide range of weapons.

You might join the team as a vehicle operator or commander of a light armored vehicle.

Rigid Raiding Craft (RRC)

A coxswain in a Marine Rigid Raiding Craft is in charge of the boat team’s safety and conduct.

They ensure the craft’s safe operation, launch, recovery, and maintenance.

Marine MOS 0313 also handles SL-3 equipment and components.20 Best Printers and their Prices in Nigeria

Combat Rubber Reconnaissance Craft

The Marine Combat Rubber Reconnaissance Craft (CRRC) is in charge of a boat team’s safety and behavior.

The coxswain is in charge of the CRRC craft’s safe operation, handling, launch, recovery, and maintenance.

It also covers related equipment, components, and SL-3 gear.

Scout Sniper

One of the more prominent job titles in Occupation Field 03 is Marine Scout Sniper.

The military job necessitates exceptional marksmanship and field training in long-range precision shooting.

Scout Snipers can also conduct reconnaissance and surveillance missions for the infantry battalion.

Marine 0317 must complete the prestigious Marine Corps Scout Sniper School before receiving the employment classification.

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Reconnaissance Man (Recon Marine)

A Naval Reconnaissance Man is proficient at both amphibious and terrestrial recon.

Reconnaissance Men are also skilled at scout swimming, small boat operation, and sophisticated observation.

They have the ability to scout, patrol, and develop long-range communications skills to aid in reconnaissance.

Under the employment category, the Marine Corps offers advanced training as a static line and military freefall parachutists and jumpmasters.

Marines can also train to be combat divers and diving supervisors.

Reconnaissance Man, Parachute Qualified (Recon Marine)

Marine Recon with a parachute qualification is classified as Military Occupational Specialty (MOS) 0323.

Reconnaissance Man – Parachute Qualified is well-versed in both amphibious and land reconnaissance.

MOS 0323 places an emphasis on parachute leaping and landing.

Reconnaissance Man, Combatant Diver Qualified (Recon Marine)

Marine Recon with combat diver certification is classified as Military Occupational Specialty MOS 0324.

Reconnaissance Man – Combatant Diver Qualified receives the same training as MOS 0321 and MOS 0323 in amphibious and land reconnaissance.

Marine MOS 0324 specializes in diving to carry out specialized operations.

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Machine Gunner

Machine Gunner (MOS 0331) in the Marine Corps is a highly recognized Military Occupational Specialty.

In direct battle, machine gunners operate massive machine guns.

They give infantry squad/platoon/company direct fire support.

Heavy weaponry such as the 7.62mm medium machine gun, as well as the 50-caliber and 40mm heavy machine guns, are handled by machine gunners.

Marine MOS 0331 is a demanding and difficult occupational specialty that is also tremendously rewarding.


Marine Mortarman (MOS 0341) is in charge of tactical use of the M224, 60mm Light Mortar, M252, and 81mm Medium Mortar.

Mortarmen provide indirect fire assistance to the rifle squad/platoon/company.

Mortarmen can be assigned as gunners, forward observers, fire direction plotters, and squad leaders by the Marines.

Duties of Marine Infantry
Duties of Marine Infantry Picture, Photo Source; marines.com

Infantry Assaultman

A Marine Infantry Assaultman, also known as a MOS 0351, is an infantry soldier who serves in the front lines.

An Assaultman with the MOS 0351 is known as a “grunt,” which is a label that they regard highly and take very seriously.

On the other hand, Marines are more than mere laborers since they employ highly sophisticated weapons and are highly trained. This sets them apart from other military branches.Npower Recruitment

Assisting infantry squads or platoons with rockets, APOBS, and demolitions are members of the Infantry Assault Marines.

Anti-tank Missileman

The Marine Corps continues to introduce some of the world’s most sophisticated weapon systems.

As a result, they require specialized Marines, such as MOS 0352, to handle high-powered weapon systems.

To use anti-tank missiles on hostile targets, extensive training and a team of experts are required.

Marine Anti-Tank Missilemen support infantry squads and platoons by employing tactical medium and heavy anti-armor fire.JAMB Form

Infantry Unit Leader

The rank of Marine Infantry Unit Leader is earned, along with the esteem of their fellow soldiers.

Missions are planned by and delegated by infantry unit leaders.

They are responsible for carrying out the commands that are given to them by the Platoon Commander.

Leaders are accountable for the health and discipline of the unit, as well as the responsibility of the equipment and weapons that they are given.WAEC Result

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Marine Special Operations Command (MARSOC) Critical Skills Operator

Operators with Marine Command Critical Skills (CSO) have received extensive training and are highly skilled operatives.

They carry out operations at the most prestigious levels of counterterrorism and special operations.

Training for Marine Corps Security Operations Operators (MOS 0372) covers a variety of infantry specialties.

They have a superb reputation in Occ-Field 03 of the Marine Corps thanks to their expertise in reconnaissance and their dedication to the field.


Infantry Marines are responsible for these tasks. Actually, they are the primary responsibilities. You need quick access to this data in order to perform your job efficiently and learn about your profession before venturing into it.JAMB Result

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