General
mos
What does mos mean?
The code and title defining a service member's specific job or trade.
"His MOS is 11B, infantryman."
Origin
U.S. military acronym, 'Military Occupational Specialty.'
Frequently asked questions
What does MOS stand for?
It stands for 'Military Occupational Specialty,' the code and title that define a service member's specific job.
How is MOS used?
Service members identify their role by MOS code; for example, 11B is an infantryman in the Army.
Is MOS spelled out or spoken as a word?
It's typically spelled out letter by letter, 'em-oh-ess.'
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