Roles in the Corps

There are hundreds of ways to serve, and every Marine trains in an area of expertise that contributes to the success of our missions.
Whatever their expertise or field of training, Marines are ready to transition from mission to mission at a moment's notice.

Complete List of Roles

All Marines have a specific role for which they are optimally trained in support of the overall mission. As one of the Few, there are many ways to serve in the air, on land and at sea, but regardless of your area of expertise, you will forever be known by the title you earn: United States Marine. Military Occupational Specialties (MOSs) available in the Marine Corps are listed here.

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AIR CONTROL/AIR SUPPORT/ANTIAIR WARFARE/AIR LIST

Air Command And Control Officer
Air Control Electronics Operator
Air Defense Control Officer
Air Support Control Officer
Air Support Operations Operator
Air Traffic Control Officer
Air Traffic Controller
Low Altitude Air Defense (Laad) Gunner
Low Altitude Air Defense Officer
Senior Air Traffic Controller
Tactical Air Defense Controller

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AIRCRAFT MAINTENANCE List

Aircraft Intermediate Level Hydraulic/Pneumatic Mechanic
Aircraft Intermediate Level Structures Mechanic
Aircraft Maintenance Administration Specialist
Aircraft Maintenance Chief
Aircraft Maintenance Officer
Aircraft Maintenance Supply Equipment Hydraulic/Pneumatic/Structures Mechanic
Aircraft Maintenance Support Equipment Electrician/Refrigeration Mechanic
Cryogenics Equipment Operator
Flight Equipment Technician
Individual Material Readiness List (Imrl) Asset Manager

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AIRCRAFT MAINTENANCE (FIXED WING) List

Fixed-Wing Aircraft Airframe Mechanic, Av-8/Tav-8
Fixed-Wing Aircraft Airframe Mechanic, Ea-6
Fixed-Wing Aircraft Airframe Mechanic, F/A-18
Fixed-Wing Aircraft Airframe Mechanic, Kc-130
Fixed-Wing Aircraft Crew Chief, Kc-130
Fixed-Wing Aircraft Mechanic, Av-8/Tav-8
Fixed-Wing Aircraft Mechanic, Ea-6
Fixed-Wing Aircraft Mechanic, F/A-18
Fixed-Wing Aircraft Mechanic, Kc-130
Fixed-Wing Aircraft Power Plants Mechanic, F-402
Fixed-Wing Aircraft Power Plants Mechanic, F-404
Fixed-Wing Aircraft Power Plants Mechanic, J-52
Fixed-Wing Aircraft Safety Equipment Mechanic, Av-8/Tav-8
Fixed-Wing Aircraft Safety Equipment Mechanic, Ea-6
Fixed-Wing Aircraft Safety Equipment Mechanic, F/A-18
Fixed-Wing Aircraft Safety Equipment Mechanic, Kc-130/V-22
Unmanned Aerial Vehicle (Uav) Mechanic

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AIRCRAFT MAINTENANCE (ROTARY WING) List

Helicopter Airframe Mechanic, Ch-46
Helicopter Airframe Mechanic, Ch-53
Helicopter Airframe Mechanic, Uh/Ah-1
Helicopter Crew Chief, Ch-46
Helicopter Crew Chief, Ch-53
Helicopter Crew Chief, Uh-1
Helicopter Mechanic, Ch-46
Helicopter Mechanic, Ch-53
Helicopter Mechanic, Uh/Ah-1
Helicopter Power Plants Mechanic, T-400/T-700
Helicopter Power Plants Mechanic, T-58
Helicopter Power Plants Mechanic, T-64
Helicopter/Tiltrotor Dynamic Components Mechanic
Tiltrotor Airframe Mechanic, Mv-22
Tiltrotor Crew Chief, Mv-22
Tiltrotor Mechanic, Mv-22

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AIRFIELD SERVICES List

Aircraft Rescue And Firefighting Specialist
Aviation Operations Specialist
Expeditionary Airfield Systems Technician

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AMMUNITION AND EXPLOSIVE ORDNANCE DISPOSAL List

Ammunition Technician
Explosive Ordnance Disposal (Eod) Technician

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AVIATION LOGISTICS List

Aviation Logistics Information Management And Support (Alims) Specialist
Aviation Supply Officer
Aviation Supply Specialist

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AVIATION ORDNANCE List

Aircraft Ordnance Technician
Aviation Ordnance Chief
Aviation Ordnance Systems Technician

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CHEMICAL, BIOLOGICAL, RADIOLOGICAL AND NUCLEAR (CBRN) DEFENSE LIST

Chemical, Biological, Radiological, And Nuclear (Cbrn) Defense Specialist

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COMBAT CAMERA (COMCAM) LIST

Combat Camera Chief
Combat Camera Production Specialist
Combat Photographer
Combat Videographer

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COMMUNICATIONS List

Communications Chief
Communications Officer
Construction Wireman
Data Chief
Data Network Specialist
Digital Multi-Channel Wideband Transmission Equipment Operator
Ehf Satellite Communications Operator-Maintainer
Field Radio Operator
Information Assurance Technician
Information Security Technician
Radio Chief
Shf Satellite Communications Operator-Maintainer
Tactical Network Specialist
Tactical Switching Operator
Tropospheric Scatter Radio Multi-Channel Equipment Operator
Unit Level Circuit Switch (Ulcs) Operator/Maintainer
Wire Chief

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ELECTRONICS MAINTENANCE List

Air Traffic Control Communications Technician
Air Traffic Control Navigational Aids Technician
Air Traffic Control Radar Technician
Air Traffic Control Systems Maintenance Chief
Aviation Communications Systems Technician (Avcomm Systech)
Aviation Radar Repairer
Aviation Radar Technician
Electronics Maintenance Chief
Tactical Air Operations Module/Air Defense Technician
Tactical Data Systems Administrator (Tdsa)

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ENGINEER, CONSTRUCTION, FACILITIES, AND EQUIPMENT LIST

Bulk Fuel Specialist
Combat Engineer
Combat Engineer Officer
Engineer Assistant
Engineer Equipment Chief
Engineer Equipment Mechanic
Engineer Equipment Operator
Metal Worker

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FIELD ARTILLERY LIST

Artillery Meteorological Man
Field Artillery Cannoneer
Field Artillery Fire Control Man
Field Artillery Officer
Field Artillery Operations Man
Field Artillery Radar Operator
Fire Support Man

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FINANCIAL MANAGEMENT LIST

Finance Technician
Financial Management Officer
Financial Management Resource Analyst (Fmra)
Financial Management Resources Officer
Naf Audit Technician

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FOOD SERVICE LIST

Food Service Specialist

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GROUND ELECTRONICS MAINTENANCE List

An/Trc-170 Technician
Artillery Electronics Technician
Calibration Technician
Electronic Switching Equipment Technician
Electronics Maintenance Chief
Electronics Maintenance Technician
Ground Communications Organizational Repairer
Ground Radio Intermediate Repairer
Metrology Technician
Satellite Communications (Satcom) Technician
Technical Control Chief
Technical Controller Marine
Telephone Systems/Personal Computer Intermediate Repairer

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GROUND ORDNANCE MAINTENANCE List

Assault Amphibious Vehicle (Aav) Repairer/Technician
Electro-Optical Ordnance Repairer
Expeditionary Fighting Vehicle (Efv) Repairer/Technician
Light Armored Vehicle (Lav) Repairer/Technician
Machinist
Main Battle Tank (Mbt) Repairer/Technician
Ordnance Vehicle Maintenance Chief
Senior Ground Ordnance Weapons Chief
Small Arms Repairer/Technician
Towed Artillery Systems Technician

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INFANTRY List

Anti-Tank Missileman
Infantry Assaultman
Infantry Officer
Infantry Unit Leader
Lav Crewman
Machine Gunner
Mortarman
Reconnaissance Man
Rifleman

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INTELLIGENCE List

Air Intelligence Officer
Counterintelligence (Ci)/Human Source Intelligence (Humint) Officer
Counterintelligence/Humint Specialist
Geographic Intelligence Specialist
Ground Intelligence Officer
Imagery Analysis Specialist
Intelligence Chief
Intelligence Specialist
Marine Air/Ground Task Force Magtf Intelligence Officer
Signals Intelligence/Ground Electronic Warfare Officer

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INTERMEDIATE AVIONICS MAINTENANCE List

Advanced Aircraft Communications/Navigation Systems Technician, Ima
Advanced Aircraft Electrical/Instrument/Flight Control Systems Technician, Ima
Aircraft Communications Systems Technician, Ima
Aircraft Electrical/Instrument/Flight Control Systems Technician, Fixed Wing, Ima
Aircraft Electrical/Instrument/Flight Control Systems Technician, Helicopter, Ima
Aircraft Electronic Countermeasures Systems Technician, Fixed-Wing, Ima
Aircraft Electronic Countermeasures Systems Technician, Helicopter, Ima
Aircraft Navigation Systems Technician, Iff/Radar/Tacan, Ima
Aviation Electronic Microminiature/Instrument And Cable Repair Technician, Ima
Aviation Meteorological Equipment Technician, Oma/Ima
Aviation Precision Measurement Equipment/Calibration And Repair Technician, Ima
Avionics Test Set (Ats) Technician, Ima
Cass Eo Configuration Operator/Maintainer/Technician/Ima
Cass Ew Configuration Operator/Maintainer/Technician, Ima
Cass Hp Configuration Operator/Maintainer/Technician, Ima
Cass Test Station Ima Advanced Maintenance Technician, Ima
Consolidated Automatic Support System (Cass) Technician, Ima
Hybrid Test Set Technician, Ima

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LEGAL SERVICES List

Judge Advocate
Legal Services Specialist

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LOGISTICS List

Airborne And Air Delivery Specialist
Landing Support Specialist
Logisitics/Mobility Chief
Logistics Officer
Logistics/Embarkation Specialist
Maintenance Management Specialist
Personnel Retrieval And Processing Specialist

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MARINE AIR GROUND TASK FORCE (MAGTF) PLANS List

Marine Air Ground Task Force Planning Specialist

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MARINE CORPS COMMUNITY SERVICES/EXCHANGE List

Marine Corps Community Services Marine

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METEOROLOGY AND OCEANOGRAPHY (METOC) List

Metoc Analyst Forecaster
Metoc Observer

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MILITARY POLICE AND CORRECTIONS List

Correctional Specialist
Criminal Investigator (Cid) Agent
Military Police
Military Police Officer

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MISCELLANEOUS REQUIREMENTS MOS List

General Officer (Gen-Bgen)
Acquistition Management Professional (Majgen To Maj)
Colonel, Ground
Colonel, Logisitician
Colonel, Naval Aviator/Naval Flight Officer
Career Recruiter
Sergeant Major Of The Marine Corps (Sgtmaj)
Sergeant Major-First Sergeant (Sgtmaj/1stsgt)

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MOTOR TRANSPORT List

Automotive Organizational Mechanic
Logistics Vehicle System Operator
Motor Transport Maintenance Chief
Motor Transport Operations Chief
Motor Vehicle Operator

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MUSIC List

Instrument Repair Technician
Member, The Commandant's Own, U.S. Marine Drum And Bugle Corps
Member, The President's Own, United States Marine Band
Musician

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NAVIGATION OFFICER/ENLISTED FLIGHT CREWS List

Airborne Radio Operator/In-Flight Refueling Observer/Loadmaster
Tactical Systems Operator/Mission Specialist
Unmanned Aerial Vehicle (Uav) Air Vehicle Operator

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ORGANIZATIONAL AVIONICS MAINTENANCE List

Aircraft Communications/Navigation Systems Technician, Kc-130
Aircraft Communications/Navigation/Electrical Systems Technician, Ch-46
Aircraft Communications/Navigation/Electrical Systems Technician, Ch-53
Aircraft Communications/Navigation/Electrical/Systems Technician, V-22
Aircraft Communications/Navigation/Electrical/Weapon Systems Technician, U/Ah-1
Aircraft Communications/Navigation/Radar Systems Technician Av-8
Aircraft Communications/Navigation/Radar Systems Technician Ea-6
Aircraft Communications/Navigation/Radar Systems Technician F/A-18
Aircraft Electrical Systems Technician, Av-8
Aircraft Electrical Systems Technician, Ea-6
Aircraft Electrical Systems Technician, F/A-18
Aircraft Electrical Systems Technician, Kc-130
Aircraft Electronic Countermeasures Systems Technician, Ea-6b
Avionics Maintenance Chief
Unmanned Aerial System (Uas) Avionics Technician

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PERSONNEL AND ADMINISTRATION List

Adjutant
Administrative Clerk
Personnel Clerk
Personnel/Administrative Chief
Postal Clerk

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PILOTS/NAVAL FLIGHT OFFICERS List

Basic Fixed-Wing Pilot
Basic Rotary Wing Pilot
Naval Flight Officer (Nfo) Frs Basic F/A-18d Weapons Systems Officer (Wso)
Naval Flight Officer (Nfo) Nfo Student (Tbs)
Naval Flight Officer (Nfo) Qualifed F/A-18d Weapons Systems Officer (Wso)
Naval Flight Officer Frs Basic Ea-6b Electronic Warfare Officer
Naval Flight Officer Qualified Ea-6b Electronic Warfare Officer
Naval Flight Oficer (Nfo) Tactical Navigator Flight Student (Natc)
Pilot Hmh/M/L/A Ah-1 Qualified
Pilot Hmh/M/L/A Ch-46 Qualified
Pilot Hmh/M/L/A Ch-53 A/D Qualified
Pilot Hmh/M/L/A Ch-53e Qualified
Pilot Hmh/M/L/A Frs Basic Ah-1
Pilot Hmh/M/L/A Frs Basic Ch-46
Pilot Hmh/M/L/A Frs Basic Ch-53d
Pilot Hmh/M/L/A Frs Basic Ch-53e Pilot
Pilot Hmh/M/L/A Frs Basic Uh-1n
Pilot Hmh/M/L/A Uh-1 Qualified
Pilot Vma Frs Basic Av-8b
Pilot Vma-Av-8a/C Qualified
Pilot Vma-Av-8b Qualified
Pilot Vmaq/Vmfp Ea-6a Qualified
Pilot Vmaq/Vmfp Ea-6b Qualified
Pilot Vmaq/Vmfp Frs Basic Ea-6b Pilot
Pilot Vmfa Frs Basic F/A-18 Pilot
Pilot Vmfa Frs Basic F/A-18 Qualified
Pilot Vmgr Kc-130 Aircraft Commander
Pilot Vmgr Kc-130 Co-Pilot (T2p/T3p)
Pilot Vmgr Maritime Advance (Natc)
Pilot Vmm Frs Basic V-22 Pilot
Pilot Vmm V-22 Qualified

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PUBLIC AFFAIRS List

Combat Correspondent
Public Affairs Officer

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RECRUITING AND RETENTION List

Career Retention Specialist

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SIGNALS INTELLIGENCE/GROUND ELECTRONIC WARFARE List

Asia-Pacific Cryptologic Linguist
Electronic Intelligence (Elint) Intercept Operator/Analyst
European I (West) Cryptologic Linguist
European Ii (East) Cryptologic Linguist
Middle East Cryptologic Linguist
Signals Intelligence/Electronic Warfare Chief
Special Communication Signals Collection Operator/Analyst
Special Intelligence System Administrator/Communicator

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SUPPLY ADMINISTRATION AND OPERATIONS List

Basic Contingency Contract Specialist
Ground Supply Officer
Packaging Specialist
Supply Administration And Operations Specialist
Warehouse Clerk

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TANK AND ASSAULT AMPHIBIOUS VEHICLE List

Assault Amphibious Vehicle (Aav) Crewman
Assault Amphibious Vehicle (Aav) Officer
Expeditionary Fighting Vehicle (Efv) Crewman
M1a1 Tank Crewman
Tank Officer

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TRAFFIC/DISTRIBUTION MANAGEMENT LIST

Traffic/Distribution Management Specialist

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UTILITIES List

Electrician
Engineer Equipment Electrical Systems Technician
Refrigeration And Air Conditioning Technician
Utiliities Chief
Water Support Technician