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MOS Contracts

With few exceptions, the Marines don't guarantee an MOS

When you sign your enlistment contract, you can select a particular occupational field such as Infantry or Engineering.

In some unique cases, you can sign for an MOS such as Enlisted Musician or Reconnaissance Marine.

If you don't sign for an occupational field or MOS, you'll go open contract.  This means you can be selected for any MOS in the Marine Corps that you have qualified for.

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How Do I Select an MOS?

Candidates for enlistment will first have to choose which Enlistment Contract they sign before being assigned an MOS by the Marine Corps. The contract they sign will play the most important role towards ensuring getting an MOS (essentially a career specialty) you want. Each contract has either one or many MOS's under it.

 

Contracts available to a prospect will be based on their ASVAB scores and the Needs of the Marine Corps.

Marine Corps manpower planners look at forecasts of future force numbers and decide how many of each contract will be required in a given fiscal year - hence Needs of the Marine Corps.

Needs are based on the size of an MOS field. Some MOS's such as infantry are large in contrast to the small musician field.

   Candidates have very little, if any influence on this factor, but the Recruiter will provide the candidate with a list of options which they qualify for based on their ASVAB scores and what the Corps has available at that time. 

What is an Open Contract?

A poolee or recruit who holds an open contract can be considered a gambler putting everything on a roll of the dice. They can be assigned any MOS for which they are eligible for.  

 

Candidates for enlistment who choose this route often seek to ship to Recruit Training at the earliest opportunity, so they will not have an MOS prior to shipping boot camp. 

 

Though the individual's ASVAB score will still weigh into the selection, the ultimate decision for an MOS will be completely at the discretion of the Marine Corps' needs as we discussed before. 

 

In this case however, an Open Contact individual will not know their MOS until late in Recruit Training. 

 

They will not receive a list of options to choose from, but instead they will only receive a notification from their training staff what their occupation will be. 

 

Contract MOS Options

Click on a Contract to See What MOS's You Can Be Assigned

AE  - Aviation Support


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 6531 Aircraft Ordnance Technician

  • 6541 Aviation Ordnance Systems Technician

  • 7011 Expeditionary Airfield Systems Technician

  • 7051 Expeditionary Firefighting and Rescue (EFR) Specialist [also known as Crash Fire Rescue]




AF  - Aviation Mechanic


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 6048 Flight Equipment Technician
  • 6062 Aircraft intermediate Level Hydraulic/Pneumatic Mechanic
  • 6073 Support Equipment Electrician/Refrigeration and Engine/Gas Turbine Technician
  • 6074 Cryogenics Equipment Operator
  • 6092 Aircraft Intermediate Level Structures Mechanic
  • 6113 Helicopter Mechanic, CH-53
  • 6114 Helicopter Mechanic, UH/AH-1
  • 6116 Tiltrotor Mechanic, MV-22
  • 6123 Helicopter Power Plants Mechanic, T-64
  • 6124 Helicopter Power Plants Mechanic, T400/T700
  • 6132 Helicopter/Tiltrotor Dynamic Components Mechanic
  • 6153 Helicopter Airframe Mechanic, CH-53
  • 6154 Helicopter Airframe Mechanic, UH/AH-1
  • 6156 Tiltrotor Airframe Mechanic, MV-22
  • 6212 Fixed-Wing Aircraft Mechanic, AV-8/TAV-8 N
  • 6216 Fixed-Wing Aircraft Mechanic, KC-130
  • 6217 Fixed-Wing Aircraft Mechanic, F/A-18
  • 6218 Fixed-Wing Aircraft Mechanic. F-35B
  • 6222 Fixed-Wing Aircraft Power Plants Mechanic, F-402
  • 6227 Fixed-Wing Aircraft Power Plants Mechanic, F-404
  • 6252 Fixed-Wing Aircraft Airframe Mechanic, AV-8/TAV-8
  • 6256 Fixed- Wing Aircraft Airframe Mechanic, KC-130
  • 6257 Fixed-Wing Aircraft Airframe Mechanic, F/A-18
  • 6258 Fixed-Wing Aircraft Airframe Mechanic, F-35B
  • 6282 Fixed- Wing Aircraft Safety Mechanic, AV-8/TAV-8
  • 6286 Fixed-Wing Aircraft Safety Equipment Mechanic, KC-130
  • 6287 Fixed-Wing Aircraft Safety Equipment Mechanic, F/A-18
  • 6288 Fixed-Wing Aircraft Safety Equipment Mechanic. F-35B




AG  - Aircrew


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 6173 Helicopter Crew Chief, CH-53

  • 6174 Helicopter Crew Chief, UH-1

  • 6176 Tiltrotor Crew Chief, MV-22

  • 6276 Fixed-Wing Aircraft Crew Master, KC-130




AJ  - Aviation Operations and Meteorology


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 6842 METOC Analyst Forecaster
  • 7236 Tactical Air Defense Controller
  • 7242 Air Support Operations Operator




AN  - Air Control and Navigation


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 7257 Air Traffic Controller
  • 7314 Unmanned Aircraft System (UAS) Operations Specialist




BA  - Aviation Electronics Tech


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 5951 Aviation Meteorological Equipment Technician

  • 5952 Air Traffic Control Navigational Aids Technician

  • 5953 Air Traffic Control RADAR Technician

  • 5954 Air Traffic Control Communications Technician

  • 6314 Avionics/Maintenance Technician, Unmanned Aircraft System

  • 6316 Aircraft Communications/Navigation Systems Technician, KC-130

  • 6317 Aircraft Communications/Navigation/Radar Systems Technician, F/A-18

  • 6323 Aircraft Avionics Technician, CH-53

  • 6324 Aircraft Avionics Technician, AH-1

  • 6326 Aircraft Avionics Technician, V-22

  • 6332 Aircraft Avionics Technician, AV-8B

  • 6336 Aircraft Electrical Systems Technician, KC-130

  • 6337 Aircraft Electrical Systems Technician, F/A-18

  • 6338 Aircraft Avionics Technician, F-35

  • 6423 Aviation Electronic Micro/Miniature Component and Cable Repair Technician, IMA

  • 6432 Aircraft Electrical/Instrument/Flight Control Systems Technician, IMA

  • 6469 Reconfigurable Transportable Consolidated Automated Support System (RTCASS) Technician

  • 6483 Communication/Navigation/Cryptographic/Countermeasures Systems Technician, IMA

  • 6492 Aviation Precision Measurement Equipment (PME) Calibration/Repair Technician, IMA

  • 6499 Mobile Facility Technician

  • 6694 Aviation Logistics Information Management System (ALIMS) Specialist




BY  - Electronics Maintenance


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 2831 Digital Wideband Systems Maintainer

  • 2841 Ground Electronics Transmission Systems Maintainer

  • 2847 Ground Electronics Telecommunications and Information Technology Systems Maintainer

  • 2871 Calibration Technician

  • 2887 Artillery Electronics Technician

  • 5939 Aviation Communication Systems Technician

  • 5948 Aviation RADAR Technician

  • 5974 Tactical Data Systems Technician (TDST)

  • 5979 Tactical Air Operations/Air Defense Technician




CB  - Administrative and Data Specialists


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 0111 Administrative Specialist

  • 0161 Postal Clerk

  • 6046 Aviation Maintenance Data Specialist

  • 7041 Aviation Operations Specialist




CC - Supply, Accounting, and Legal


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 3043 Supply Chain and Materiel Management Specialist

  • 3432 Finance Technician

  • 3451 Financial Management Resource Analyst

  • 4421 Legal Services Specialist

  • 6042 Individual Material Readiness List (IMRL) Asset Manager

  • 6672 Aviation Supply Specialist




CE  - Combat Support


Signing for this Contract means a Marine will receive a Primary MOS of one of the below MOS's

  • 0811 Field Artillery Cannoneer

  • 1833 Assault Amphibious Vehicle (AAV) Crewmember

  • 7212 Low Altitude Air Defense Gunner




CH  - Combat Imagery and Social Media Operations


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 4512 Combat Graphics Specialist

  • 4531 Combat Mass Communicator

  • 4541 Combat Photographer

  • 4571 Combat Videographer




CJ  - Logistics


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 0411 Maintenance Management Specialist

  • 0431 Logistics/Embarkation Specialist

  • 0481 Landing Support Specialist

  • 2311 Ammunition Technician




CK  - Fire Direction and Control Specialists


Signing for this Contract means a Marine will receive a Primary MOS of one of the below MOS's

  • 0842 Field Artillery Radar Operator

  • 0844 Field Artillery Fire Control Marine

  • 0847 Field Artillery Sensor Support Marine

  • 0861 Fire Support Marine




CN  - Service Management


Signing for this Contract means a Marine will receive a Primary MOS of one of the below MOS's

  • 3051 Inventory Management Specialist

  • 3052 Packaging Specialist

  • 3112 Distribution Management Specialist

  • 3381 Food Service Specialist




CO  - Ground Ordnance Maintenance


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 1142 Engineer Equipment Electrical Systems Technician

  • 1161 Refrigeration and Air Conditioning Technician

  • 2111 Small Arms Repairer/Technician

  • 2161 Machinist

  • 2171 Electro-Optical Ordnance Repairer




CP  - Engineering


Signing for this Contract means a Marine will receive a Primary MOS of one of the below MOS's

  • 1141 Electrician

  • 1171 Water Support Technician

  • 1316 Metal Worker

  • 1341 Engineer Equipment Mechanic

  • 1345 Engineer Equipment Operator

  • 1361 Engineer Assistant

  • 1371 Combat Engineer

  • 1391 Bulk Fuel Specialist




CX  - Combat Vehicle and Ordnance Repair


Signing for this Contract means a Marine will receive a Primary MOS of one of the below MOS's

  • 2131 Towed Artillery Systems Technician

  • 2141 Assault Amphibious Vehicle (MV) Repairer/Technician

  • 2146 Main Battle Tank (MBT) Repairer/Technician

  • 2147 Light Armored Vehicle (LAV) Repairer/Technician




DB  - Information and Communications Technology


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 0621 Transmissions System Operator
  • 0627 Satellite Transmissions System Operator
  • 0631 Network Administrator
  • 0671 Data Systems Administrator




DD  - Cyber, Intelligence, Crypto Linguists Operations and Planning


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 0231 Intelligence Specialist

  • 0261 Geographic Intelligence Specialist

  • 0511 Marine Air Ground Task Force Planning Specialist

  • 1721 Cyberspace Defensive Operator

  • 2611 Cryptologic Digital Network Operator

  • 2621 Communications Intelligence/Electronic Warfare Operator

  • 2631 Signals Intelligence/Electronic Warfare Analyst

  • 2641 Cryptologic Language Analyst

  • 2651 Intelligence Surveillance Reconnaissance (ISR) Systems Engineer




HZ  - Reconnaissance


Signing for this Contract means a Marine will receive a Primary MOS of 0321 Reconnaissance Marine




MG  - Marine Guard


Signing for this Contract means a Marine will receive a Primary MOS of one of the below MOS's as well as a Secondary MOS of 8152 Marine Corps Security Force (MCSF) Guard

  • 0311 Rifleman

  • 0331 Machine Gunne

  • 0341 Mortarman

  • 0351 Infantry Assault Marine

  • 0352 Antitank Missile Gunner




MT  - Motor Transport


Signing for this Contract means a Marine will receive a Primary MOS from the list below:

  • 3521 Automotive Maintenance Technician
  • 3531 Motor Vehicle Operator




PN  - Open Contract


Signing for an open contract means a Marine can receive any Primary MOS in the Marine Corps as long as they have the appropriate qualifications (eyesight, height, ASVAB Component scores, or other prerequisites)




PR  - Parachute Rigger


Signing for this Contract means a Marine will receive a Primary MOS of 0451 Airborne and Air Delivery Specialist




U2  - Musician


Signing for this Contract means a Marine will receive a Primary MOS of 5524 Musician.




UJ  - CBRN Defense


Signing for this Contract means a Marine will receive a Primary MOS of 5711 Chemical, Biological, Radiological, Nuclear (CBRN) Defense Specialist




U4  - The Commandant’s Own / Drum and Bugle Corps


Signing for this Contract means a Marine will receive a Primary MOS of 5512 Member, The Commandant’s Own, U.S. Marine Drum and Bugle Corps




UT  - Military Police and Corrections


Signing for this Contract means a Marine will receive a Primary MOS from the list below

  • 5811 Military Police
  • 5831 Correctional Specialist




QH  - Infantry 6-Year Option


Signing for this Contract means a Marine will receive a Primary MOS from the list below

  • 0311 Rifleman
  • 0331 Machinegunner
  • 0341 Mortarman
  • 0351 Infantry Assault Marine
  • 0352 Antitank Missile Gunner




UH - Infantry


Signing for this Contract means a Marine will receive a Primary MOS from the list below

  • 0311 Rifleman
  • 0331 Machinegunner
  • 0341 Mortarman
  • 0351 Infantry Assault Marine
  • 0352 Antitank Missile Gunner