United States Marine Corps
VietNam-era Military Occupational Specialty Codes

0100Basic Administrative Man
0121Personnel Clerk
0131Unit Diary Clerk
0151Administrative Clerk
0161Postal Clerk
0182Personnel Chief
0193Personnel/Administrative Chief
0200Basic Intelligence Man
0211Counterintelligence Assistant
0231Intelligence Man (Air/Ground)
0239Intelligence Assistant
0241Imagery Interpreter
0251Interrogator-Translator (Designated Language)
0291Intelligence Chief
0292Counterintelligence Chief
0293Imagery Interpretation Chief
0294Interrogator-Translator Chief
0300Basic Infantryman
0331Machine Gunner
0341Mortar Man
0351Antitank Assaultman
0353Ontos Crewman
0369Infantry Unit Leader
0400Basic Logistics Man
0431Embarkation Man
0441Logistics Man
0491Logistics/Embarkation Chief
0800Basic Field Artillery Man
0811Field Artillery Batteryman
0812Field Artillery Nuclear Projectileman
0842Field Artillery Radar Operator
0844Field Artillery Fire Control Man
0846Artillery Scout Observer
0847Artillery Meteorological Man
0848Field Artillery Operations Man
0849Shore Fire Control Party Man
0861Observer Liaison Man
0891Field Artillery Chief
0893Field Artillery Operations Chief
0894Observer Liaison Chief
1100Basic Utilities Man
1121Plumbing and Water Supply Man
1122Well Driller
1142Electrical Equipment Repairman
1161Refrigeration Mechanic
1169Utilities Chief
1171Hygiene Equipment Operator
1173Hygiene Equipment Repairman
1179Hygiene Equipment Chief
1300Basic Construction, Equipment and Shore Party Man
1316Metal Worker
1341Engineer Equipment Mechanic
1345Engineer Equipment Operator
1346Rock Quarryman
1349Engineer Equipment Chief
1371Combat Engineer
1372Atomic Demolition Employment Technician
1379Engineer Operations Chief
1381Shore Party Man
1391Bulk Fuel Man
1400Basic Drafting, Surveying and Mapping Man
1401Programmer, Autocoder
1401Programmer, Symbolic
14014024, Computer Operator
14015981, Digital Data System Technician IBM
1411Construction Draftsman
1422Surveying and Drafting Chief
1431Map Compiler
1453Mapping Chief
1500Basic Printing and Reproduction Man
15004044, Operator/Programmer, UNIVAC
15005982 System, Digital Data System Tech, UNIVAC
1521Duplicating Man
1522Offset Pressman
1531Plate/Layout Man
1532Process Cameraman
1541Reproduction Chief
1542Reproduction Equipment Repairman
1800Basic Tank and Amphibian Tractor Man
1811Tank Crewman
1831Armored Amphibian Crewman
1833Amphibian Tractor Crewman
1891Tank and Amphibian Tractor Operations Chief
1892Tank Chief
1893Amphibian Tractor Chief
2100Basic Armament Repairman
2111Infantry Weapon Repairman
2112Rifle Team Equipment Repairman
2131Artillery Weapon Repairman
2141Tracked Vehicle Repairman, tank
2142Tracked Vehicle Repairman, Amphibian Tractor
2143Tracked Vehicle Repairman, Ontos
2144Artillery, Tracked Vehicle Repairman, Self Propelled
2149Tracked vehicle Technician
2151Turret Repairman
2161Repair Shop Machinist
2171Optical Instrument Repairman
2181Weapon Technician
2191Armament Chief
2192Weapons Chief
2193Tracked Vehicle Chief
2300Disposal Man, Basic Ammunition and Explosive Ordnance
2311Ammunition Technician
2335(Conventional Weapons), Explosive Ordnance Disposal Technician
2336Explosive Ordnance Disposal Technician
2500Basic Operational Communications Man
2519Wire Chief
2531Field Radio Operator
2532Microwave Equipment Operator
2533Radio Telegraph Operator
2537Radio Chief
2542Communication Center Man
2549Communication Center Chief
2570Electronic Countermeasures Operator
2571Special Radio Operator
2573Traffic Analyst
2574Cryptologic Linguist
2575Special Communication Operator
2576Special Electronics Operator/Analyst
2577Special Non-Morse Radio Operator
2578Cryptologic/Electronic Warfare Chief
2579Radio Direction Finder Operator
2591Operational Communications Chief
2800Basic Telecommunications Maintenance Man
2811Telephone Technician
2813Cable Systems Technician
2814Central Office Installer
2818Teletype Technician
2819KG-l3 Teletype Technician
2821Mobile Dial Central Tech
2822Electronic Switching Equipment Technician
2823Technical Controller
2825Fixed Ciphony Technician
2826Digital Subscriber Terminal Equipment Tech
2827Mobile Data Terminal Tech
2829Mobile Communication Central Tech
282BKW-26 Terminal Technician
2831Microwave Equipment Repairman
2833Satellite Terminal Repairman
2841Ground Radio Repairman
2851Aviation Radio Repairman
2853Aviation Meteorological Equipment Repairman
2861Radio Technician
2864Satellite Terminal Technician
2866Aviation Radio Technician
2871Electronic Instrument Repairman
2872Electronic Calibration Technician
2873Mechanical Calibration Technician
2876Radiac Instrument Repairman
2877Radiac Instrument Technician
287aMetrology Technician
2881Communication Security Equipment Technician
2891Telecommunications Maintenance Chief
2894Calibration Chief
3000Man, Basic Supply Administration and Operations
3041Supply Administrative Man, Manual Account
3042Supply Administrative Man, Mechanized Account
3051General Warehouseman
3052Preservation, Packaging and Packing Specialist
3061Subsistence Supply Man
3071Aviation Supply Man, Manual Account
3072Aviation Supply Man, Mechanized Account
3081Procurement Supply Man
3091Supply Administration and Operations Chief
3092Warehouse Supply Chief
3093Subsistence Supply Chief
3094Procurement Supply Chief
3095Aviation Supply Chief
3100Basic Transportation Man
3111Freight Operations Man
3112Air Freight Operations Man
3121Freight Transportation Clerk
3122Air Freight Transportation Clerk
3141Passenger Transportation Clerk
3191Transportation Chief
3200Basic Repairman
3211Fabric Repairman
3212Fabric Repair Chief
3241Office Machine Repairman
3242Officer Machine Repair Chief
3253Repair Chief
3300Basic Food Service Man
3301Programmer, Computer RCA
33014026, Computer Operator RCA
3372Cook, Specialist
3373Veterinary Technician
3381Food Service Technician
3382Food Service Technician Specialist
3383Veterinary Chief
3400Basic Auditing, Finance and Accounting Man
3421Personal Financial Records Clerk
3431Travel Clerk
3432Disburser/Disbursing Chief
3441Auditing Technician
3451Accounting Clerk
3452Accounting Analyst/Finance Chief
3500Basic Motor Transport Man
3513Body Repairman
3516Automotive Mechanic
3517Amphibious Cargo Carrier Mechanic
3518Fuel and Electrical Systems Repairman
3519Motor Transport Chief
3531Motor Vehicle Operator
3532Amphibious Cargo Carrier Operator
3533Tractor Trailer Operator
4000Basic Data Systems Man
4013Card Punch Operator
4014Electric Accounting Machine Operator
4015Off-Line Equipment Operator
4019Data Systems Librarian
4022Computer Operator NCR
4033Computer Operator IBM S/360
4034Master Computer Operator IBM S/360
4036Multi-Systems Controller IBM S/36O
4051Programmer, Computer NCR
4053Programmer, Computer RCA
4057Programmer, Symbolic
4058Programmer, Autocoder
4059System Programmer, Optical Character Recognition
4063Programmer, COBOL IBM S/36O
4065Programmer, ALC IBM
4067Programmer, Language Specialist IBM
4069Systems Programmer IBM S/360
4093Data Systems Operation Chief
4095Data Systems Programming Chief
4100Basic Marine Corps Exchange Man
4131Exchange Man
4191Exchange Chief
4300Basic Public Affairs Man
4312Press Information Man
4313Radio and Television Information Man
4391Public Affairs Chief
4400Basic Legal Services Man
4421Legal Services Man
4422Legal Services Reporter-SPCM (Closed Microphone)
4423Legal Services Reporter-GCM (Closed Microphone)
4449Legal Services Chief
4600Basic Photography Man
4632Camera Repairman
4633Photographic Quality Control-Specialist
4671Motion Picture Cameraman
4672Cinematography Specialist
4681Motion Picture Film Editor
4691Photographic Chief
4900Basic Training Support Man
4921Audiovisual Librarian
4931Audiovisual Equipment Operator
4941Audiovisual Equipment Technician
4991Training Support Chief
5360Programmer, ALC IBM
5360Programmer, Language Specialist IBM
5500Basic Musician
5519Enlisted Band Leader
5521Drum Major
5523Instrument Repairman
5567Arranger, Band
5571Drum and Bugle Corps Drum Major
5574-5579Drum and Bugle Corps Bugler
5592Drum and Bugle CorpS Arranger
5593Drummer, Drum and Bugle Corps
5700Man, Basic Nuclear, Biological and Chemical Defense
5711Specialist, Nuclear, Biological and Chemical Defense
5712Chemical, Technical Escort
5800Basic Military Police and Corrections Man
5811Military Policeman
5812Marijuana Detector Dog Handler
5813Accident Investigator
5821Criminal Investigator
5822Polygraph Examiner
5831Corrections Man
5832Correctional Counselor
5900Basic Electronics Maintenance Man
5921Improved HAWK Fire Control Repairman
5922Central Repairman, Improved HAWK Information Coordination
5923Improved HAWK Firing Section Repairman
5924Improved HAWK Pulse Radar Technician
5925Improved HAWK Continuous Wave Radar Technician
5926Improved HAWK Automatic Fire Distribution and Engagement Simulator System Technician
5927Improved HAWK Fire Control Technician
5928Technician, Improved HAWK Missile System Maintenance
5929Improved HAWK Mechanical System Repairman
5931Ground Radar Technician
5932FADAC Radar Technician
5933Artillery Electronics Technician
5934Weapons Location Equipment Technician
5935Counter Mortar Radar Technician
5941Aviation Radar Repairman "A"
5942Aviation Radar Repairman "B"
5943Aviation Fire Control Repairman
5945Aviation Radar Repairman "C"
5948Aviation Radar Technician
5952Air Traffic Control Navigational Aids Technician
5953Air Traffic Control Radar Technician
5959Air Traffic Control Electronics Technician
5962-64Tactical Data System Repairman
5974Tactical Air Command Central Technician
5976Tactical Data Communications Central Data HandlerTechnician
5978Tactical Data Communications Central Technician
5979Tactical Air Operations Central Technician
5991Electronics Maintenance Chief
5992Ground Radar Maintenance Chief
5993Aviation Ground Radar Maintenance Chief
5994Tactical Data Systems Maintenance Chief
5995Missile Systems Maintenance Chief
5996Digital Data Systems Maintenance Chief
5997Air Traffic Control Maintenance Chief
6000Basic Aircraft Maintenance Man
6011Aircraft Mechanic, Trainee
6012Aircraft Mechanic, A4/TA4
6013Aircraft Mechanic, A6/EA6
6014Aircraft Mechanic, F4/RF4
6015Aircraft Mechanic, AV-8A
6016Aircraft Mechanic, KC-130
6017Aircraft Mechanic, Jet General
6018Aircraft Mechanic, OV-10
6019Aircraft Maintenance Chief
6021Aircraft Power Plants Mechanic, Trainee
6022Systems Technician, IMA Aircraft Power Plants Mechanic, J52
6023Aircraft Power Plants Mechanic, T76
6024Aircraft Power Plants Mechanic, J79
6025Pegasus - Aircraft Power Plants Mechanic, Rolls Royce
6026Aircraft Power Plants Mechanic, T56
6027Aircraft Power Plants Mechanic, Jet General
6028Aircraft Mechanic, Reciprocating
6031Aircraft Flight Engineer, KC-l3O Trainee
6032Aircraft Power Plants Test Cell Operator
6034Spectrometric Oil Analysis Technician
6036Aircraft Propeller Mechanic
6038Aircraft Flight Engineer, KC-l3O
6041Aircraft Structures Mechanic, Trainee
6042Aircraft Structures Mechanic
6043Aircraft Welder
6044Aircraft Non-Destructive Testing Supervisor
6051Trainee, Aircraft Hydraulic/Pneumatic Mechanic
6052General Aircraft Hydraulic/Pneumatic Mechanic
6053A6/EA6 - Aircraft Hydraulic/Pneumatic Mechanic
6054F/4/RF4 - Aircraft Hydraulic/Pneumatic Mechanic
6059Aircraft Airframes Maintenance Chief
6062Aircraft Safety Equipment Mechanic
6064Flight Equipment Man
6067Aircraft Safety Equipment Chief
606lAircraft Safety Equipment Mechanic, Trainee
6071Aircraft Maintenance Ground Support
6072Equipment Mechanic, Aircraft Maintenance Ground Support
6075Cryogenics Equipment Operator
6076Equip Hydraulic/Pneumatic/Structures Mech - Aircraft Maint Ground Support
6077Equipment Electrician, Aircraft Maintenance Ground Support
6078Equipment Refrigeration Mechanic, Aircraft Maintenance Ground Support
6079Equipment Chief, Aircraft Maintenance Ground Support
6082Aircraft Maintenance Administration Clerk
6083Technician, Aircraft Maintenance Data Analysis
6111Helicopter Mechanic, Trainee
6113Helicopter Mechanic, CH-46, CH-53
6114Helicopter Mechanic, U/AH-1
6119Helicopter Maintenance Chief
6121Helicopter Power Plants Mechanic, Trainee
6122Helicopter Power Plants Mechanic, T-58
6124Helicopter Power Plants Mechanic T-53
6125Helicopter Power Plants Mechanic, T-64 G123, T-400
6131Helicopter Dynamic Components Mechanic-Trainee
6132Helicopter Dynamic Components Mechanic
6500Basic Aviations Ordnance Man
6521Aviation Ordnance Munitionsman
6531Aircraft Ordnance-Technician -
6533Aviation Ordnance Chief
6541Aircraft Ordnance/Missile Technician
6600Basic Avionics Man
6611Technician, Trainee, Aircraft Communications/Navigation Systems
6612Tech, Helicopter/OV-10, Aircraft Communications/Navigation Systems
6613Tech, Transport/Utility, Aircraft Communications/Navigation Systems
6614Tech, A-4/TA4/A-6/EA-6/F-8, Aircraft Communications/Navigation Systems
6615Technician, AV-8A, Aircraft Communications/Navigation Systems
6616Technician, RF-4/RF-4B/J, Aircraft Communications/Navigation Systems
6617Aircraft Communication Systems Technician, IMA
6618Aircraft Navigation Systems Technician, Radio,
6619Aircraft Navigation Systems Technician, Radar,
6620IMA, Aircraft Navigation Systems Technician, TACAN,
6621Aircraft Radar Systems Tech, Trainee
6622KY-28 Cryptographic Technician
6623Systems Technician, EA6A, Aircraft Passive Electronic Countermeasures
6624Systems Technician EA-6A, Aircraft Active Electronic Countermeasures
6625Tech, RF-4, Aircraft Radar Recon Systems
6626Aircraft Passive Electronic Countermeasures
6627Systems Technician, IMA, Aircraft Active Electronic Countermeasures
6628Systems Technician, IMA, Aircraft Deceptive Electronic Countermeasures
6629Tech, IMA, Aircraft Radar/IR Recon Systems
6631Trainee, Aircraft Electrical Systems Technician
6632Helicopter/OV-10 - Aircraft Electrical Systems Technician,
6633Transport/Utility - Aircraft Electrical Systems Technician,
6638Technician, IMA, Aircraft Electrical/Instrument Systems
6639Computer Systems Tech, IMA, Aircraft Flight Control and Air Data
6640Technician, Aviation Electronic Micro-Miniature Repair
6641Technician, Trainee, Aircraft Armament Control/Attack Systems
6641Technician-Trainee, Aircraft Armament Control/Attack Systems
6642Aircraft Attack Systems Technician, A-4
6643A-6/EA-6 - Aircraft Radar Attack Systems Technician,
6643Aircraft Attack Systems Technician, A-6/EA-6
6644Aircraft Attack Systems Technician, AV-8A
6645Aircraft Attack Systems Technician,A-6/EA6, IMA
6646IMA,Aircraft Attack Systems Technician, A-4/AV-8A,
6652Aircraft Search/Track Radar Technician, A-6/SACR
6653Aircraft Ballistics Computer Technician, A6/SACE
6654Technician, A-6/SACE, Aircraft Inertial Navigation Systems
6655EMTC Systems Tech, IMA, Semi-Automatic Checkout Equipment (SACE)MATC
6656Technician F-4B (AERO-1A), Aircraft Armament Control Systems
6657F-4J - Aircraft Armament Control Systems Technician
6658AERO-1A, IMA, Aircraft Armament Control Systems Technician
6659AWG-10, IMA, Aircraft Armament Control Systems Technician
6662Aviation Training Devices Technician, General
6663Aviation Training Devices Technician, H-46
6664Aviation Training Devices Technician, A/EA-6
6665aviation Training Devices Technician, F/RF-4
6666Control/Air Defense Systems, Aviation Training Devices Tech, Air
6672Aerial Camera Systems Technician
6673Aerial Camera, ADAS Systems Technician, IMA
6674Technician, Imagery Interpretation Equipment Repair
6675Aviation Photographic Film Processor
6679Aviation Photographic/Electronic Systems Chief
6682Calibration Technician, Aviation Precision Measurement Equipment
6683Technician, Aviation Precision Measurement Equipment Repair
6689Aviation Precision Measurement Equipment Chief
6691Avionics Maintenance Chief
6693Training Support Center Chief
6700Basic Air Control/Anti-Air Warfare Man
6711Air Traffic Controller-Tower Trainee
6712Air Traffic Controller-Tower
6721Air Traffic Controller-Radar Trainee
6722Air Traffic Controller-Radar
6724Air Traffic Controller
6741Aviation Electronics Operator
6751Air Control/Anti-Air Warfare Operator, Trainee
6752Redeye Gunner
6753HAWK Missile System Operator
6754Anti-Air Warfare Batteryman
6755System, Air Control Electronics Operator, Manual
6756System, Air Control Electronics Operator, Automated
6757Air Support Operations Operator
6758Air Controller, Automated Systems
6759Supervisor, Air Command, Control and Defense System
6781Airborne Radio Operator, Trainee
6782Airborne Radio Operator
6785Aerial Navigator, Trainee
6786Aerial Navigator
6788Airborne Electronic Countermeasures Operator
6800Basic Weather Service Man
6821Weather Observer
6831Weather observer/Rawinsonde Operator
6842Weather Forecaster
7000Basic Aviation Operations Man
7011Aircraft Launch and Recovery Technician
7041Aviation Operations, Man
7051Aircraft Crash, Fire and Rescue Man
7100Basic Air Delivery Man
7141Air Delivery Man
8061Marine Wing Weapons, Unit Specialist
8062Ground Nuclear Weapons Technician
8231Education Assistant
8421Career Planner
8431Psychological Operations NCO
8441Civil Affairs NCO
8511Drill Instructor
8531Marksmanship Instructor
8535Human Relations Instructor
8541Scout Sniper
8561Physical Training Instructor
8611Interpreter (Designated Language)
8621Surveillance Sensor Operator
8631Surveillance Sensor Maintenance Man
8652Qualified, Reconnaissance Man, Parachute Jump
8654Qualified, Reconnaissance Man, Parachute and SCUBA
8711Infantry Operations Assistant
8911Barracks and Grounds Man
8921Athletic and Recreation Assistant
8981Military Affiliate Radio System Radio Operator
8953Reconnaissance Man, SCUBA Qualified
9011Club Manager/Treasurer
9051Graves Registration Specialist
9811Band of the USMC
9900Basic Marine, General Service
9915Special Assignment, Enlisted
9940Vietnamese Language Trained
9970-9975Basic Marine, Enlistment Program
9991Sergeant Major of the Marine Corps
9999Sergeant Major/First Sergeant

United States Navy
FMF Corpsman

8404Field Medical Service Technician

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