MOS (Military Occupational Specialty)
A Military Occupational Specialty (MOS) is a job classification used by the Army and Marine Corps. Enlisted job qualification can depend on ASVAB line scores and other service requirements.
Exam Tip
MOS = Military Occupational Specialty (Army/Marines job code). Army format: 2 digits + letter (e.g., 11B). Marines format: 4 digits (e.g., 0311). ASVAB line scores determine eligibility.
What is MOS?
MOS (Military Occupational Specialty) is the abbreviation for the job classification system used by the U.S. Army and Marine Corps. Each MOS code identifies a specialty with specific duties and training.
Army MOS Format
Army MOS codes follow a structured format:
- Two-digit number = Career Management Field (CMF)
- Letter = Specific job within that field
Example: 68W = Combat Medic Specialist
- 68 = Medical CMF
- W = Combat Medic Specialist
Marine Corps MOS Format
Marine MOS codes use a four-digit system:
- First two digits = Occupational field
- Last two digits = Specific job
Example: 0311 = Rifleman
- 03 = Infantry
- 11 = Rifleman
ASVAB Line Scores for MOS
Many enlisted jobs require a qualifying line score. Some Army examples:
| Line Score | Common MOS Types |
|---|---|
| GT (General Technical) | Intelligence, admin, medical |
| CL (Clerical) | Administrative, finance |
| CO (Combat) | Infantry, combat engineer |
| EL (Electronics) | Signal, IT, communications |
| MM (Mechanical Maintenance) | Vehicle/aircraft maintenance |
Key Facts
- Some MOS offer enlistment bonuses for high-demand specialties
- Discuss available specialties and current score requirements with your recruiter
- Soldiers can reclassify to a different MOS during their career
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Military Occupational Specialty (MOS)
A Military Occupational Specialty (MOS) is a job classification used by the Army and Marine Corps. Enlisted job qualification can depend on ASVAB line scores and other service requirements.
Armed Services Vocational Aptitude Battery (ASVAB)
The ASVAB is a multiple-aptitude test administered by the U.S. Department of Defense to determine qualification for military enlistment and job placement across all branches. The computer-adaptive enlistment form has 10 subtests in verbal, math, science and technical, and spatial domains.
Line Scores (ASVAB)
Line scores, also called composite scores, combine ASVAB subtest scores for military job classification. Each service sets its own combinations and job requirements.
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