Being A Marine

​Roles in
the Corps

Every role in the Corps contributes to overall mission success and victory in battle.

Ground Combat Roles

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As the only element in the Marine Corps that can seize and occupy terrain, roles within the Ground Combat Element exist to win battles on the ground by asserting combat power and dominance on the battlefield. These Marines excel at conducting land-based and amphibious operations of an offensive, defensive, humanitarian, reconnaissance or security nature. Trained in the art of land warfare, these Marines will often be the first on the scene to confront threats around the world. Featured below are just a sample of the Military Occupational Specialties (MOS) from which Enlisted Marines and Marine Officers choose.

Video outlines ground combat rolls within Marine Corps and showcases weapons Marines use to win.
Video outlines ground combat rolls within Marine Corps and showcases weapons Marines use to win.

As the only element in the Marine Corps that can seize and occupy terrain, roles within the Ground Combat Element exist to win battles on the ground by asserting combat power and dominance on the battlefield. These Marines excel at conducting land-based and amphibious operations of an offensive, defensive, humanitarian, reconnaissance or security nature. Trained in the art of land warfare, these Marines will often be the first on the scene to confront threats around the world. Featured below are just a sample of the Military Occupational Specialties (MOS) from which Enlisted Marines and Marine Officers choose.

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    AAV Crew

    Amphibious Assault Vehicle (AAV) Crewmembers man the AAV and lead it in support of infantry units on the battlefield. They move equipment and Marines from ship to shore, connecting land to sea and giving Marines their “amphibious” reputation.

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    AAV Crew

    Amphibious Assault Vehicle (AAV) Crewmembers man the AAV and lead it in support of infantry units on the battlefield. They move equipment and Marines from ship to shore, connecting land to sea and giving Marines their “amphibious” reputation.

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    Infantry

    As an Infantry Marine you will be among the most highly trained and deadliest fighting force in the world. Infantry Marines fight and defeat the enemy using small unit tactics across the full range of military operations.

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    Infantry

    As an Infantry Marine you will be among the most highly trained and deadliest fighting force in the world. Infantry Marines fight and defeat the enemy using small unit tactics across the full range of military operations.

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    Scout Sniper

    Scout Snipers must use their training to deliver long range, precision fire during combat, and be able to target enemy leaders, and other key personnel important to deny the enemy freedom of movement on the battlefield. Scout Snipers will also be relied on to gather information in reconnaissance and surveillance operations for intelligence purposes important to the success of the mission.

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    Scout Sniper

    Scout Snipers must use their training to deliver long range, precision fire during combat, and be able to target enemy leaders, and other key personnel important to deny the enemy freedom of movement on the battlefield. Scout Snipers will also be relied on to gather information in reconnaissance and surveillance operations for intelligence purposes important to the success of the mission.

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    Tank Crew

    The M1A1 Tank Crewman performs various duties incident to the operation and maintenance of the tank, to include tactical employment, firing and maneuvering.

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    Tank Crew

    The M1A1 Tank Crewman performs various duties incident to the operation and maintenance of the tank, to include tactical employment, firing and maneuvering.

Aviation Combat Roles

The Marine Corps finds its success as a premier military force by acting in a single cohesive effort across all battlefronts. Featured below are just a sample of the Military Occupational Specialties (MOS) Marine pilots and aviation support Marines serve in to assist the Marines fighting battles on the ground. Every aircraft employed is specifically equipped to serve the mission in the form of offensive air support, assault support, antiair warfare, electronic warfare, control of aircraft and missiles, and aerial reconnaissance.

Video demonstrates the aviation functions and aircraft used by Marines with aviation combat roles.
Video demonstrates the aviation functions and aircraft used by Marines with aviation combat roles.

The Marine Corps finds its success as a premier military force by acting in a single cohesive effort across all battlefronts. Featured below are just a sample of the Military Occupational Specialties (MOS) Marine pilots and aviation support Marines serve in to assist the Marines fighting battles on the ground. Every aircraft employed is specifically equipped to serve the mission in the form of offensive air support, assault support, antiair warfare, electronic warfare, control of aircraft and missiles, and aerial reconnaissance.

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    Pilot

    The Marine Corps finds success as a whole by supporting each and every expeditionary mission on all fronts. Pilots provide the air mobility and support that allows Marines the freedom to operate on the ground. Whether performing close air support or antiair warfare, or whether flying a fixed-wing, rotary-wing or tilt-rotor aircraft, pilots are an important gear in the fighting machine that enables Marines to be victorious.
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    Pilot

    The Marine Corps finds success as a whole by supporting each and every expeditionary mission on all fronts. Pilots provide the air mobility and support that allows Marines the freedom to operate on the ground. Whether performing close air support or antiair warfare, or whether flying a fixed-wing, rotary-wing or tilt-rotor aircraft, pilots are an important gear in the fighting machine that enables Marines to be victorious.
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    Air Traffic Control

    To help Marine pilots win and maintain control of the skies and the battles below it, everything that happens in and around the air space is the responsibility of the Air Traffic Controller. Assuming the duties of Control Tower Operators and Radar Air Traffic Controllers, these Marines coordinate and direct orders at squadrons, Marine Air Control Groups (MACG), Marine Aircraft Wings (MAW) and other senior level units.

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    Air Traffic Control

    To help Marine pilots win and maintain control of the skies and the battles below it, everything that happens in and around the air space is the responsibility of the Air Traffic Controller. Assuming the duties of Control Tower Operators and Radar Air Traffic Controllers, these Marines coordinate and direct orders at squadrons, Marine Air Control Groups (MACG), Marine Aircraft Wings (MAW) and other senior level units.

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    Helicopter Crew Chief

    Responsible for the maintenance and operational fitness of the CH-53 Super Stallions and other Marine helicopters, Helicopter Crew Chiefs work hand in hand with pilots to ensure the wellbeing of their aircraft. These Marines also act as the eyes and ears of the pilot—monitoring inside and the outside environment at all times so the pilot can focus on mission success.

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    Helicopter Crew Chief

    Responsible for the maintenance and operational fitness of the CH-53 Super Stallions and other Marine helicopters, Helicopter Crew Chiefs work hand in hand with pilots to ensure the wellbeing of their aircraft. These Marines also act as the eyes and ears of the pilot—monitoring inside and the outside environment at all times so the pilot can focus on mission success.

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    Aviation Ordnance

    Marines in the role of Aviation Ordnance are responsible for helping pilots and aircrews win battles by aiding in the loading and arming of their aircraft weapons systems, ensuring they are prepared to launch close air or strike missions at a moment’s notice.

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    Aviation Ordnance

    Marines in the role of Aviation Ordnance are responsible for helping pilots and aircrews win battles by aiding in the loading and arming of their aircraft weapons systems, ensuring they are prepared to launch close air or strike missions at a moment’s notice.

Combat Support Roles

Marines in Combat Support Element roles serve as an integral piece in making the Marine Corps the efficient force it is today. Featured below are just a sample of the Military Occupational Specialties (MOS) Marines in these roles take on. These Marines are trained to provide logistics, intelligence communication, and other support to move equipment, ammunition, first aid and Marines to wherever they need to be to win the mission ahead. Without them, the force would stand still.

Video details the various military occupational specialties that are critical combat support elements for Marines.
Video details the various military occupational specialties that are critical combat support elements for Marines.

Marines in Combat Support Element roles serve as an integral piece in making the Marine Corps the efficient force it is today. Featured below are just a sample of the Military Occupational Specialties (MOS) Marines in these roles take on. These Marines are trained to provide logistics, intelligence communication, and other support to move equipment, ammunition, first aid and Marines to wherever they need to be to win the mission ahead. Without them, the force would stand still.

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    Landing Support

    Landing Support Marines supervise and direct arrivals, departures and any movement of gear and personnel on beaches, ports or landing zones. With this power, they serve as the integral link between the Marines in the sea and the Marines on the ground.
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    Landing Support

    Landing Support Marines supervise and direct arrivals, departures and any movement of gear and personnel on beaches, ports or landing zones. With this power, they serve as the integral link between the Marines in the sea and the Marines on the ground.
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    Ammunition Technician

    Ammunition Technicians are educated and trained to be proficient in all technical aspects regarding the use, storage, safety and effectiveness of ammunition. These Marines ensure the correct amounts and levels of firepower are being used to win the battle ahead.

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    Ammunition Technician

    Ammunition Technicians are educated and trained to be proficient in all technical aspects regarding the use, storage, safety and effectiveness of ammunition. These Marines ensure the correct amounts and levels of firepower are being used to win the battle ahead.

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    Air Delivery

    Air Delivery Marines parachute out of aircraft to deliver necessary tools and equipment to Marines on the ground. This critical role keeps troops well prepared and ready to defeat the enemy in any situation.

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    Air Delivery

    Air Delivery Marines parachute out of aircraft to deliver necessary tools and equipment to Marines on the ground. This critical role keeps troops well prepared and ready to defeat the enemy in any situation.

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    Signals Intelligence Officer

    Signals Intelligence Officers are in charge of accessing an enemy’s electronic systems to either disable communications or gather intel.

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    Signals Intelligence Officer

    Signals Intelligence Officers are in charge of accessing an enemy’s electronic systems to either disable communications or gather intel.

World's Toughest Schools

It's their fighting spirit that sets Marines apart from any other force, but it's also their training and knowledge that gives them the advantage in every battle.

Learn about some of the toughest schools Marines must complete in order to become skilled fighters in their respective specialties. From the grueling Scout Sniper School to the multi-faceted Combat Engineering School, Marines are taught to be as mentally fit as they are physically ready to take on any battle.

Video outlines the training and education Marines receive in some of the Worlds Toughest Schools.
Video outlines the training and education Marines receive in some of the Worlds Toughest Schools.

It's their fighting spirit that sets Marines apart from any other force, but it's also their training and knowledge that gives them the advantage in every battle.

Learn about some of the toughest schools Marines must complete in order to become skilled fighters in their respective specialties. From the grueling Scout Sniper School to the multi-faceted Combat Engineering School, Marines are taught to be as mentally fit as they are physically ready to take on any battle.