MOS - Military Occupational Specialty
The Marine Corps uses a system of categorizing career fields, known as Military Occupational Specialty (MOS). All enlisted and officer Marines are assigned a four digit code denoting their occupational field and specialty. Occupational Fields are identified in the first two digits and represent a grouping of related MOS’s. For example, 0311 would be a Rifleman specialty under the Infantry field.
Listed below are the Occupational Fields:
- 01 Personnel and Administration
- 02 Intelligence
- 03 Infantry
- 04 Logistics
- 05 Marine Air Ground Task Force (MAGTF) Plans
- 06 Communications
- 08 Artillery
- 09 Training
- 11 Utilities
- 13 Engineer, Construction, Facilities, & Equipment
- 18 Tank and Assault Amphibious Vehicle
- 21 Ground Ordnance Maintenance
- 23 Ammunition and Explosive Ordnance Disposal
- 26 Signals Intelligence/Ground Electronic Warfare
- 27 Linguist
- 28 Data/Communications Maintenance
- 30 Supply Administration and Operations
- 31 Distribution Management
- 33 Food Service
- 34 Financial Management
- 35 Motor Transport
- 41 Morale Welfare and Recreation
- 43 Public Affairs
- 44 Legal Services
- 46 Combat Camera (COMCAM)
- 48 Recruiting and Retention Specialist
- 55 Music
- 57 Chemical, Biological, Radiological, and Nuclear (CBRN) Defense
- 58 Military Police and Corrections
- 59 Electronics Maintenance
- 60/61/62 Aircraft Maintenance
- 63/64 Avionics
- 65 Aviation Ordnance
- 66 Aviation Logistics
- 68 Meteorological and Oceanographic (METOC)
- 70 Airfield Services
- 72 Air Control/Air Support/Anti-Air Warfare/Air Traffic Control
- 73 Navigation Officer/Enlisted Flight Crews
- 75 Pilots/Naval Flight Officers
- 80 Misc MOS’s
- 90 Reporting MOS’s
A list of specialties can be found on the Marines.mil or Wikipedia.org.
