Description of the Army MOS
The U.S. Army's Military Occupation Specialty (MOS) code is a classification system for categorizing the jobs and specialties of its enlisted personnel. Commissioned officers are classified under another personnel management system, known as the Area of Concentration (AOC).
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Identification
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The Army groups similar military occupation specialties into career categories known as Career Management Fields, or CMF. The Career Management Field of Artillery, for example, includes the following MOS: cannon crew member, fire support specialist and multiple launch rocket system crew member.
Types
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The career categories covering the Army's MOS are infantry, field artillery, air defense, aviation, special forces, armor, engineering, signals, judge advocate general corps, military police, military intelligence, band, psychological operations, civil affairs, adjutant general, finance, public affairs, chaplain, mechanical, medical, chemical corps, recruiting, transportation, ordnance, quartermaster and electronic maintenance.
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Selection
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Enlisted personnel in the Army choose an MOS based on their career interests at the time they enlist. The Armed Forces Vocational Aptitude Battery (ASVAB) test can help new recruits identify a career field of interest.
Time Frame
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New enlisted personnel receive advanced training in their MOS after completing 14 weeks of basic training. The length of MOS training varies with the specialty chosen.
Geography
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The Army maintains MOS training sites around the country. The location of training depends on a soldier's chosen specialty.
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