OCC Field 21Marine Corps photo by Cpl. Harley Robinson. Released for public use.

MOS OCC Field 21: Ground Ordnance Maintenance

GROUND ORDNANCE MAINTENANCE: OCCUPATIONAL FIELD 21
Specialty Description School Location FB Page FB Page2
2111 Small Arms Repairer/Technician Description Fort Lee, VA N/A N/A
2131 Towed Artillery Systems Technician Description Fort Lee, VA N/A N/A
2141 Assault Amphibious Vehicle (AAV) Repairer/Technician Description Camp Pendleton, CA FB Group FB Group 2
2146 Main Battle Tank (MBT) Repairer/Technician Description Fort Benning, GA N/A N/A
2147 Light Armored Vehicle (LAV) Repairer/Technician Description Fort Lee, VA N/A N/A
2148 Expeditionary Fighting Vehicle (EFV) Repairer/Technician N/A Camp Pendleton, CA FB Group FB Group 2
2161 Machinist Description Fort Lee, VA N/A N/A
2171 Electro-Optical Ordnance Repairer Description Fort Lee, VA N/A N/A
#OccField21 includes the following MOS:
2111 Small Arms Repairer/Technician, MOS School:  Fort Lee, VA
2131 Towed Artillery Systems Technician, MOS School:  Fort Lee, VA
2141 Assault Amphibious Vehicle (AAV) Repairer/Technician, MOS School:  Camp Pendleton, CA
2146 Main Battle Tank (MBT) Repairer/Technician, MOS School:  Fort Benning, GA
2147 Light Armored Vehicle (LAV) Repairer/Technician, MOS School:  Fort Lee, VA
2148 Expeditionary Fighting Vehicle (EFV) Repairer/Technician, MOS School:  Camp Pendleton, CA
2161 Machinist, MOS School:  Fort Lee, VA
2171 Electro-Optical Ordnance Repairer, MOS School:  Fort Lee, VA
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