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        • FIELD 01, PERSONNEL AND ADMINISTRATION
        • FIELD 02, INTELLIGENCE
        • FIELD 03, INFANTRY
        • FIELD 04, LOGISTICS
        • FIELD 05, MARINE AIR GROUND TASK FORCE
        • FIELD 06, COMMUNICATIONS
        • FIELD 08, FIELD ARTILLERY
        • FIELD 09, TRAINING
        • FIELD 11, UTILITIES
        • FIELD 13, ENGINEER, CONSTRUCTION, FACILITIES, AND EQUIPMENT
        • FIELD 18, TANK AND ASSAULT AMPHIBIOUS VEHICLE
        • FIELD 21, GROUND ORDNANCE MAINTENANCE
        • FIELD 23, AMMUNITION AND EXPLOSIVE ORDNANCE DISPOSAL
        • FIELD 26, SIGNALS INTELLIGENCE/GROUND ELECTRONIC WARFARE
        • FIELD 27, LINGUIST
        • FIELD 28, GROUND ELECTRONICS MAINTENANCE
        • FIELD 30, SUPPLY ADMINISTRATION AND OPERATIONS
        • FIELD 31, DISTRIBUTION MANAGEMENT
        • FIELD 33, FOOD SERVICE
        • FIELD 34, FINANCIAL MANAGEMENT
        • FIELD 35, MOTOR TRANSPORT
        • FIELD 41, MARINE CORPS COMMUNITY SERVICES
        • FIELD 43, PUBLIC AFFAIRS
        • FIELD 44, LEGAL SERVICES
        • FIELD 46, COMBAT CAMERA
        • FIELD 48, RECRUITING AND RETENTION
        • FIELD 55, MUSIC
        • FIELD 57, CHEMICAL, BIOLOGICAL, RADIOLOGICAL AND NUCLEAR
        • FIELD 58, MILITARY POLICE AND CORRECTIONS
        • FIELD 59, ELECTRONICS MAINTENANCE
        • FIELD 60, AIRCRAFT MAINTENANCE
        • FIELD 61, AIRCRAFT MAINTENANCE (ROTARY-WING)
        • FIELD 62, AIRCRAFT MAINTENANCE (FIXED-WING)
        • FIELD 63, ORGANIZATIONAL AVIONICS MAINTENANCE
        • FIELD 64, INTERMEDIATE AVIONICS MAINTENANCE
        • FIELD 65, AVIATION ORDNANCE
        • FIELD 66, AVIATION LOGISTICS
        • FIELD 68, METEOROLOGY AND OCEANOGRAPHY
        • FIELD 70, AIRFIELD SERVICES
        • FIELD 72, AIR CONTROL / AIR SUPPORT / ANTIAIR WARFARE / AIR
        • FIELD 73, NAVIGATION OFFICER / ENLISTED FLIGHT CREWS
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  6. FIELD 21, GROUND ORDNANCE MAINTENANCE

MOS 2111, Small Arms Repairer/ Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

Small arms repairer/technician in the grade of Private through Lance Corporal, under supervision, performs basic duties incident to inspection, maintenance, and repair of all small arms, less vehicular mounted weapons. The small arms repairer/technician also completes basic shop administrative forms and records utilizing technical manuals. At the Corporal through Gunnery Sergeant level, the small arms repairer/technician performs, trains, and supervises various duties incident to inspection, maintenance, and repair of all small arms, to include vehicular mounted small arms. The small arms repairer/technician also prepares, maintains, and supervises a shop maintenance and management program and coordinates maintenance and repair of small arms according to grade.

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MOS 2112, Precision Weapons Repairer/ Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

The precision weapons repairer/technician performs duties incident to inspection, maintenance, fabrication, and repair of precision small arms in support of the Competition-In-Arms Program (CIAP) and Depot Maintenance Intraservice Support Agreement (DMISA) program. This MOS will be assigned as a NMOS only.

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MOS 2131, Towed Artillery Systems Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 0 minutes read

The towed artillery systems technician, under supervision, performs basic duties incident to inspection, maintenance, and repair of towed artillery howitzers. The towed artillery systems technician also completes basic shop administrative forms and records utilizing technical manuals. At the Gunnery Sergeant through Corporal level, the towed artillery systems technician performs, trains and supervises various duties incident to inspection, maintenance and repair of towed artillery howitzers. The towed artillery systems technician also prepares, maintains and supervises a shop maintenance and management program, and performs the maintenance and repair of towed artillery howitzers according to grade.

Prerequisites.
Must possess an MM score of 95 or higher.

Requirements.
(1) Complete the Towed Artillery Repairer Course.
(2) Complete the Ground Ordnance Intermediate Level Supervisor Course (CID A01GBC1) by Sergeant through Staff Sergeant with 24 months remaining on active duty upon completion of the course. In the case of lateral move, must have served a minimum of one year in MOS 2131. Prerequisites for USMCR include serving in an active reserve billet in MOS 2131.

Duties.
For a complete listing of duties and tasks, refer to the Individual Training Standards.

Related SOC Classification/SOC Code.
(1) Installation, Maintenance, and Repair Workers, All Other 49-9099.

Related Military Skill.
None.

MOS 2141, Assault Amphibious Vehicle Repairer/ Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

The AAV repairer/technician, under supervision, performs basic automotive and hull duties incident to inspection, maintenance, and repair of the AAV family of vehicles. The AAV repairer/technician also completes basic shop administrative forms and records utilizing technical manuals. The Gunnery Sergeant to Corporal level supervises, and performs various duties incident to the inspection, maintenance, and repair of the automotive and turret systems of the AAV. The AAV repairer/technician also prepares, maintains and supervises shop maintenance and management programs, and coordinates maintenance and recovery operations according to grade.

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MOS 2146, Main Battle Tank Repairer/ Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

The MBT repairer/technician performs basic automotive duties incident to inspection, maintenance, and repair of the Marine Corps MBT, Tank Retriever (M88A2), and Armored Vehicle Launched Bridge (AVLB). The MBT repairer/technician also completes basic shop administrative forms and records utilizing technical manuals. At the grades of Sergeant and above, the MBT repairer/technician trains, supervises, and performs various duties and tasks incident to the inspection, maintenance, and repair of the automotive and turret systems of the Marine Corps MBT. The MBT repairer/technician also prepares, maintains, and supervises shop maintenance and management programs, and coordinates maintenance and recovery operations according to grade.

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MOS 2147, Light Armored Vehicle Repairer/ Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

The LAV repairer/technician, under supervision, performs basic automotive duties and tasks incident to inspection, maintenance, and repair of the LAV family of vehicles. The LAV repairer/technician also completes basic shop administrative forms and records utilizing technical manuals. At the grades of sergeant and above, the LAV systems technician trains, supervises, and performs various duties and tasks incident to the inspection, maintenance, and repair of automotive and turret systems of the LAV family of vehicles. The LAV systems technician also prepares, maintains and supervises shop maintenance and management programs, and coordinates maintenance and recovery operations according to grade.

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MOS 2148, Expeditionary Fighting Vehicle Repairer/ Technician

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

The EFV repairman/technician under supervision performs basic duties incident to inspection, troubleshooting, maintenance, and repair of the AAAV family of vehicles. The EFV Repairman completes basic shop administrative forms and records. At the Gunnery Sergeant to Corporal level, the EFV repairman supervises and mentors junior Marines and performs various duties incident to inspection, troubleshooting, maintenance and repair of the EFV as well as maintenance management and recovery according to grade.

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MOS 2149, Ordnance Vehicle Maintenance Chief

FIELD 21, GROUND ORDNANCE MAINTENANCE 1 minute read

Ordnance vehicle maintenance chiefs supervise the maintenance, repair, and inspection of ordnance vehicles to include their turrets and direct the activities of assigned enlisted personnel in an ordnance vehicle repair shop or facility. Senior ordnance vehicle maintenance chiefs supervise and manage the administration of ordnance vehicle maintenance facilities and ordnance vehicle offices. The senior ordnance vehicle maintenance chief is proficient in the organization, management, operation and conduct of technical inspections of ordnance vehicles, ordnance vehicle maintenance equipment, and ordnance vehicle shops or facilities. The senior ordnance vehicle maintenance chief assists the ordnance vehicle maintenance officer in all duties. They manage command environmental and hazardous waste programs. They supervise and provide oversight of disposal, storage, emergency planning for hazardous waste, and ozone depleting substances.

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More USMC MOS Codes

  • FIELD 01, PERSONNEL AND ADMINISTRATION
  • FIELD 02, INTELLIGENCE
  • FIELD 03, INFANTRY
  • FIELD 04, LOGISTICS
  • FIELD 05, MARINE AIR GROUND TASK FORCE
  • FIELD 06, COMMUNICATIONS
  • FIELD 08, FIELD ARTILLERY
  • FIELD 09, TRAINING
  • FIELD 11, UTILITIES
  • FIELD 13, ENGINEER, CONSTRUCTION, FACILITIES, AND EQUIPMENT
  • FIELD 18, TANK AND ASSAULT AMPHIBIOUS VEHICLE
  • FIELD 21, GROUND ORDNANCE MAINTENANCE
  • FIELD 23, AMMUNITION AND EXPLOSIVE ORDNANCE DISPOSAL
  • FIELD 26, SIGNALS INTELLIGENCE/GROUND ELECTRONIC WARFARE
  • FIELD 27, LINGUIST
  • FIELD 28, GROUND ELECTRONICS MAINTENANCE
  • FIELD 30, SUPPLY ADMINISTRATION AND OPERATIONS
  • FIELD 31, DISTRIBUTION MANAGEMENT
  • FIELD 33, FOOD SERVICE
  • FIELD 34, FINANCIAL MANAGEMENT
  • FIELD 35, MOTOR TRANSPORT
  • FIELD 41, MARINE CORPS COMMUNITY SERVICES
  • FIELD 43, PUBLIC AFFAIRS
  • FIELD 44, LEGAL SERVICES
  • FIELD 46, COMBAT CAMERA
  • FIELD 48, RECRUITING AND RETENTION
  • FIELD 55, MUSIC
  • FIELD 57, CHEMICAL, BIOLOGICAL, RADIOLOGICAL AND NUCLEAR
  • FIELD 58, MILITARY POLICE AND CORRECTIONS
  • FIELD 59, ELECTRONICS MAINTENANCE
  • FIELD 60, AIRCRAFT MAINTENANCE
  • FIELD 61, AIRCRAFT MAINTENANCE (ROTARY-WING)
  • FIELD 62, AIRCRAFT MAINTENANCE (FIXED-WING)
  • FIELD 63, ORGANIZATIONAL AVIONICS MAINTENANCE
  • FIELD 64, INTERMEDIATE AVIONICS MAINTENANCE
  • FIELD 65, AVIATION ORDNANCE
  • FIELD 66, AVIATION LOGISTICS
  • FIELD 68, METEOROLOGY AND OCEANOGRAPHY
  • FIELD 70, AIRFIELD SERVICES
  • FIELD 72, AIR CONTROL / AIR SUPPORT / ANTIAIR WARFARE / AIR
  • FIELD 73, NAVIGATION OFFICER / ENLISTED FLIGHT CREWS

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