US Marine Corps Job Description & Qualification Factors
Field 21, Ordnance
The Ground Ordnance Maintenance OccFld assures the MARFOR that serviceable ordnance materials are available. Duties include the inspection, repair, and maintenance of most weapon systems possessed by marine corps units. Qualifications required include basic ordnance administration and knowledge, the capability to technically inspect/analyze an ordnance item and repair/fabricate the same, and to understand and implement repair shop/armory operational procedures. The requirement also exists to impart technical knowledge to organizational personnel, crews, and supervisors for proper preventive maintenance, inspections, and application.
Ground Ordnance Maintenance personnel will be required to learn Ground Ordnance Maintenance administrative procedures, repair analysis, technical inspection procedures, repair procedures, testing of ordnance equipment, and quality control methodology. Types of entry/level jobs available include armorer, artillery repairer, assault amphibious vehicle/tank/optical/laser/small missile repairer/machinist. Marines entering this OccFld will receive MOS 2100, Basic Ground Ordnance Maintenance Marine.
Below are the Marine Corps Enlisted Military Occupation Specialties which are organized under this occupational field:
2111 – Small Arms Repairer/Technician
2112 – Precision Weapons Repairer/Technician
2131 – Towed Artillery Systems Technician
2141 – Assault Amphibious Vehicle (AAV) Repairer/Technician
2146 – Main Battle Tank (MBT) Repairer/Technician
2147 – Light Armored Vehicle (LAV) Repairer/Technician
2148 – Expeditionary Fighting Vehicle (EFV) Repairer/Technician
2149 – Ordnance vehicle maintenance chief
2161 – Machinist
2171 – Electra-Optical Ordnance Repairer
2181 – Senior Ground Ordnance Weapons Chief