U.S. Army Military Occupational Specialty (MOS) Codes

During the Vietnam War

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000 - 09W 100B - 1987 2010 - 2910 3000 - 3900 4010 -4960
5000 - 5900 6010 - 68J 7004 - 7960 8101 - 8700 9000 - 98J


5000 - Recreation Services Officer

51A - Construction And Utilities Worker

51B - Carpentry And Masonry Specialist

51C - Structure Specialist

51D - Mason

51E - Camouflage Specialist

51F - Pipeline Specialist

51G - Materials Quality Specialists

51H - Construction Engineering Supervisor

51J - Heating And Ventilating Specialist

51L - Refrigeration Specialist

51M - Firefighter

51N - Water Treatment Specialist

51P - Utilities Engineering Supervisor

51Q - Terrain Analyst

51R - Interior Electrician

51S - Tactical Support Environmental Equipment Repairman

521A - Utilities Maintenance Technician

521B - No occupational title data available

521C - Tactical Support Equipment Maintenance Technician Safeguard

5241 - Army Band Officer

52A - Powerman

52B - Power Generation Equipment Operator/Mechanic

52C - Utilities Equipment Repairer

52D - Power-Generation Equipment Repairer

52E - Prime Power Production Specialist

52F - Electrician

52G - High Voltage Electrician

52H - Nuclear Power Plant Mechanic/Operator

52J - Nuclear Power Plant Electrician/Operator

52K - Nuclear Power Plant Instrument/Operator

52L - Nuclear Power Plant Processing/Control Specialist

52M - Nuclear Power Plant Chief

52N - Tactical Support Electrical Equipment Repairman

52W - Tactical Support Equipment Maintenance And Repair Supervisor

5310 - Chaplain

53B - Industrial Gas Production Specialist

53C - Carbon Dioxide-Hydrogen Production Specialist

53D - Liquid-Oxygen-Nitrogen Production Specialist

5400 - Publications Officer

54A - Chemical Operations Specialist

54B - Decontamination Specialist

54C - Smoke Operations Specialist

54D - Chemical Equipment Repairer

54E - Nuclear, Biological, And Chemical (NBC) Specialist

54F - Chemical Operations Specialist

5503 - Public Education Officer

5505 - Information Officer

5522 - Broadcast Officer

5525 - Physical Reconditioning Officer

55A - Ammunition Helper

55B - Ammunition Specialist

55C - Ammunition Maintenance Specialist

55D - Explosive Ordnance Disposal (EOD) Specialist

55E - Chemical Demolitions Specialist

55F - Missile And Rocket Explosive Specialist

55G - Nuclear Weapons Specialist

55X - Ammunition Inspector

55Z - Ammunition Supervisor

561A - Master or Mate

561B - Harbormaster/Pilot

561C - Vessel Master, Unlimited

561D - Vessel Master, Coastal; Mate, Unlimited

561E - Mate

562A - Marine Engineering Technician

562B - Marine Engineering Technician/Marine Inspector

562C - Chief Engineer, Unlimited

562D - Chief Engineer, Coastal; Assistant Engineer, Unlimited

562E - Assistant Engineer

56A - Supply Handler

56B - General Warehouseman

56C - Petroleum Storage Specialist

56D - Subsistence Storage Specialist

56E - Stevedore

57A - Duty Soldier

57B - Railway Section Foreman

57C - Tire Repairman

57D - Sawyer

57E - Laundry And Bath Specialist

57F - Mortuary Affairs Specialist

57G - Duty Foreman

57H - Cargo Specialist

5900 - Public Welfare Officer

 

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