• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Military Occupational Specialty

The U.S. military uses a system of codes to identify occupations within the military. Each branch of the military uses a different system, of which that of the U.S. Army and the Marine Corps are most similar: the Military Occupational Specialty code, or MOS. Despite their similarities, the two services do retain certain unique aspects in their categorization of those who serve. In fact, each of the separate armed forces handles and categorizes personnel in a particular way, creating many differences between them. There are, however, broad aspects of personnel management that each system shares. This entry describes the classification systems of jobs in the U.S. armed forces.

Cross-Service Similarities

Each service uses a code, a mixture of letters and numbers, to denote the role of the ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles