USMC Occupations, Vietnam War, Enlisted
M.O.S.
_______________________________________________________
0100 (W)
Basic Administrative Man
0121 (W)
Personnel Clerk0131 (W)
Unit Diary Clerk0151 (W)
Administrative Clerk0161 (W)
Postal Clerk0182 (W)
Personnel Chief0193 (W)
Personnel/Administrative Chief0200 (W)
Basic Intelligence Man0211
Counterintelligence Assistant0231
Intelligence Man (Air/Ground)0239
Intelligence Assistant0241 (W)
Imagery Interpreter0251
Interrogator-Translator (Designated Language)0291
Intelligence Chief0292
Counterintelligence Chief0293 (W)
Imagery Interpretation Chief0294
Interrogator-Translator Chief0300
Basic Infantryman0311
Rifleman0331
Machine Gunner0341
Mortar Man0351
Antitank Assaultman0369
Infantry Unit Leader0400 (W)
Basic Logistics Man0431
Embarkation Man0441 (W)
Logistics Man0491 (W)
Logistics/Embarkation Chief0800
Basic Field Artillery Man0811
Field Artillery Batteryman0812
Field Artillery Nuclear Projectileman0842
Field Artillery Radar Operator0844
Field Artillery Fire Control Man0846
Artillery Scout Observer0847
Artillery Meteorological Man0848
Field Artillery Operations Man0849
Shore Fire Control Party Man0861
Observer Liaison Man0891
Field Artillery Chief0893
Field Artillery Operations Chief0894
Observer Liaison Chief1100
Basic Utilities Man1121
Plumbing and Water Supply Man1122
Well Driller1141
Electrician1142
Electrical Equipment Repairman1161
Refrigeration Mechanic1169
Utilities Chief1171
Hygiene Equipment Operator1173
Hygiene Equipment Repairman1179
Hygiene Equipment Chief1300
Basic Construction, Equipment and Shore Party Man
1316
Metal Worker1341
Engineer Equipment Mechanic1345
Engineer Equipment Operator1346
Rock Quarryman1349
Engineer Equipment Chief1371
Combat Engineer1372
Atomic Demolition Employment Technician1379
Engineer Operations Chief1381
Shore Party Man1391
Bulk Fuel Man1400
Basic Drafting, Surveying and Mapping Man1401 (W)
Programmer, Autocoder
1401 (W)
Programmer, Symbolic
1401
4024 (W)
Computer Operator
1401
5981
Digital Data System Technician IBM
1411
Construction Draftsman1421
Surveyor1422
Surveying and Drafting Chief1431
Map Compiler1432
Cartographer1453
Mapping Chief1500 (W)
Basic Printing and Reproduction Man1500
4044
Operator/Programmer, UNIVAC
1500
5982 System
Digital Data System Tech, UNIVAC
1521 (W)
Duplicating Man1522 (W)
Offset Pressman1531 (W)
Plate/Layout Man1532 (W)
Process Cameraman1541 (W)
Reproduction Chief1542 (W)
Reproduction Equipment Repairman1800
Basic Tank and Amphibian Tractor Man1811
Tank Crewman1831
Armored Amphibian Crewman1833
Amphibian Tractor Crewman1891
Tank and Amphibian Tractor Operations Chief1892
Tank Chief1893
Amphibian Tractor Chief2100 (W)
Basic Armament Repairman2111
Infantry Weapon Repairman2112
Rifle Team Equipment Repairman2131
Artillery Weapon Repairman2141
Tracked Vehicle Repairman, tank2142
Tracked Vehicle Repairman, Amphibian Tractor2144 Artillery
Tracked Vehicle Repairman, Self Propelled2149
Tracked vehicle Technician2151
Turret Repairman2161
Repair Shop Machinist2171 (W)
Optical Instrument Repairman2181
Weapon Technician2191
Armament Chief2192
Weapons Chief2193
Tracked Vehicle Chief2300 Disposal Man
Basic Ammunition and Explosive Ordnance2311
Ammunition Technician2335 (Conventional Weapons)
Explosive Ordnance Disposal Technician2336
Explosive Ordnance Disposal Technician2500 (W)
Basic Operational Communications Man2511
Wireman2519
Wire Chief2531
Field Radio Operator2532
Microwave Equipment Operator2533
Radio Telegraph Operator2537
Radio Chief2542 (W)
Communication Center Man2549 (W)
Communication Center Chief2570
Electronic Countermeasures Operator2571
Special Radio Operator2572
Cryptanalyst2573
Traffic Analyst2574
Cryptologic Linguist2575
Special Communication Operator2576
Special Electronics Operator/Analyst2577
Special Non-Morse Radio Operator2578
Cryptologic/Electronic Warfare Chief2579
Radio Direction Finder Operator2591 (W)
Operational Communications Chief2800 (W)
Basic Telecommunications Maintenance Man2811
Telephone Technician2813
Cable Systems Technician2814 (W)
Central Office Installer2818 (W)
Teletype Technician2819 (W)
KG-l3 Teletype Technician2821
Mobile Dial Central Tech2822 (W)
Electronic Switching Equipment Technician2823
Technical Controller2825
Fixed Ciphony Technician2826
Digital Subscriber Terminal Equipment Tech2827
Mobile Data Terminal Tech2829
Mobile Communication Central Tech282B
KW-26 Terminal Technician2831
Microwave Equipment Repairman2833
Satellite Terminal Repairman2841 (W)
Ground Radio Repairman2851
Aviation Radio Repairman2853
Aviation Meteorological Equipment Repairman2861 (W)
Radio Technician2864
Satellite Terminal Technician2866
Aviation Radio Technician2871 (W)
Electronic Instrument Repairman2872 (W)
Electronic Calibration Technician2873 (W)
Mechanical Calibration Technician2876 (W)
Radiac Instrument Repairman2877 (W)
Radiac Instrument Technician287a (W)
Metrology Technician2881 (W)
Communication Security Equipment Technician2891 (W)
Telecommunications Maintenance Chief2894 (W)
Calibration Chief3000 (W) Man
Basic Supply Administration and Operations3041 (W)
Supply Administrative Man, Manual Account3042 (W)
Supply Administrative Man, Mechanized Account3051
General Warehouseman3052
Preservation, Packaging and Packing Specialist3061 (W)
Subsistence Supply Man3071 (W)
Aviation Supply Man, Manual Account3072 (W)
Aviation Supply Man, Mechanized Account3081 (W)
Procurement Supply Man3091 (W)
Supply Administration and Operations Chief3092 (W)
Warehouse Supply Chief3093 (W)
Subsistence Supply Chief3094 (W)
Procurement Supply Chief3095 (W)
Aviation Supply Chief3100 (W)
Basic Transportation Man3111
Freight Operations Man3112
Air Freight Operations Man3121 (W)
Freight Transportation Clerk3122
Air Freight Transportation Clerk3141 (W)
Passenger Transportation Clerk3191 (W)
Transportation Chief3200
Basic Repairman3211
Fabric Repairman3212
Fabric Repair Chief3241
Office Machine Repairman3242
Officer Machine Repair Chief3253
Repair Chief3300 (W)
Basic Food Service Man3301 (W)
Programmer, Computer RCA
3301
4026 (W)
Computer Operator RCA
3311 (W)
Baker3371
Cook3372
Cook, Specialist3373 (W)
Veterinary Technician3381 (W)
Food Service Technician3382
Food Service Technician Specialist3383 (W)
Veterinary Chief3400 (W)
Basic Auditing, Finance and Accounting Man
3421 (W)
Personal Financial Records Clerk3431 (W)
Travel Clerk3432 (W)
Disburser/Disbursing Chief3441 (W)
Auditing Technician3451 (W)
Accounting Clerk3452 (W)
Accounting Analyst/Finance Chief3500 (W)
Basic Motor Transport Man3513
Body Repairman3516
Automotive Mechanic3517
Amphibious Cargo Carrier Mechanic3518
Fuel and Electrical Systems Repairman3519 (W)
Motor Transport Chief3531 (W)
Motor Vehicle Operator3532
Amphibious Cargo Carrier Operator3533
Tractor Trailer Operator3537 (W)
Truckmaster4000 (W)
Basic Data Systems Man4013 (W)
Card Punch Operator4014 (W)
Electric Accounting Machine Operator4015 (W)
Off-Line Equipment Operator4019 (W)
Data Systems Librarian
4022 (W)
Computer Operator NCR4033 (W)
Computer Operator IBM S/3604034 (W)
Master Computer Operator IBM S/3604036 (W)
Multi-Systems Controller IBM S/36O4051 (W)
Programmer, Computer NCR4053 (W)
Programmer, Computer RCA
4057 (W)
Programmer, Symbolic
4058 (W)
Programmer, Autocoder
4059 (W) System
Programmer, Optical Character Recognition4063 (W)
Programmer, COBOL IBM S/36O4065 (W)
Programmer, ALC IBM
4067 (W)
Programmer, Language Specialist IBM
4069 (W)
Systems Programmer IBM S/3604093
Data Systems Operation Chief4095
Data Systems Programming Chief4100 (W)
Basic Marine Corps Exchange Man4111 (W)
Bookkeeper4131 (W)
Exchange Man4191 (W)
Exchange Chief4300 (W)
Basic Public Affairs Man4312 (W)
Press Information Man4313 (W)
Radio and Television Information Man4391 (W)
Public Affairs Chief4400 (W)
Basic Legal Services Man4421 (W)
Legal Services Man4422 (W)
Legal Services Reporter-SPCM (Closed Microphone)4423 (W)
Legal Services Reporter-GCM (Closed Microphone)4449 (W)
Legal Services Chief4600 (W)
Basic Photography Man4631 (W)
Photographer4632
Camera Repairman4633 (W)
Photographic Quality Control-Specialist4634 (W)
Photojournalist4671
Motion Picture Cameraman4672
Cinematography Specialist4681 (W)
Motion Picture Film Editor4691 (W)
Photographic Chief4900 (W)
Basic Training Support Man4911 (W)
Illustrator4921 (W)
Audiovisual Librarian4931 (W)
Audiovisual Equipment Operator4941 (W)
Audiovisual Equipment Technician4991
Training Support Chief5360 (W)
Programmer, ALC IBM
5360 (W)
Programmer, Language Specialist IBM
5500 (W)
Basic Musician5519 (W)
Enlisted Band Leader5521 (W)
Drum Major5523 (W)
Instrument Repairman5526 (W)-5565 (W)
Bandsman5567 (W)
Arranger, Band5571 (W)
Drum and Bugle Corps Drum Major5574 (W)-5579 (W)
Drum and Bugle Corps Bugler5592 (W)
Drum and Bugle CorpS Arranger5593 (W)
Drummer, Drum and Bugle Corps5700 Man
Basic Nuclear, Biological and Chemical Defense5711 Specialist
Nuclear, Biological and Chemical Defense5712
Chemical, Technical Escort5800
Basic Military Police and Corrections Man5811
Military Policeman5812
Marijuana Detector Dog Handler5813
Accident Investigator5821
Criminal Investigator5822
Polygraph Examiner5831
Corrections Man5832
Correctional Counselor5900
Basic Electronics Maintenance Man5921
Improved HAWK Fire Control Repairman5922 Central Repairman
Improved HAWK Information Coordination5923
Improved HAWK Firing Section Repairman5924
Improved HAWK Pulse Radar Technician5925
Improved HAWK Continuous Wave Radar Technician5926
Improved HAWK Automatic Fire Distribution and Engagement Simulator System Technician5927
Improved HAWK Fire Control Technician5928 Technician
Improved HAWK Missile System Maintenance5929
Improved HAWK Mechanical System Repairman5931
Ground Radar Technician5932
FADAC Radar Technician5933
Artillery Electronics Technician5934
Weapons Location Equipment Technician5935
Counter Mortar Radar Technician5941
Aviation Radar Repairman "A"5942
Aviation Radar Repairman "B"5943
Aviation Fire Control Repairman5945
Aviation Radar Repairman "C"5948
Aviation Radar Technician5952
Air Traffic Control Navigational Aids Technician
5953
Air Traffic Control Radar Technician5959
Air Traffic Control Electronics Technician5962-64
Tactical Data System Repairman5974
Tactical Air Command Central Technician5978
Tactical Data Communications Central Technician5979
Tactical Air Operations Central Technician5991
Electronics Maintenance Chief5992
Ground Radar Maintenance Chief5993
Aviation Ground Radar Maintenance Chief5994
Tactical Data Systems Maintenance Chief5995
Missile Systems Maintenance Chief5996
Digital Data Systems Maintenance Chief5997
Air Traffic Control Maintenance Chief6000
Basic Aircraft Maintenance Man6011
Aircraft Mechanic - Trainee6012
Aircraft Mechanic, A4/TA46013
Aircraft Mechanic, A6/EA66014
Aircraft Mechanic, F4/RF46015
Aircraft Mechanic, AV-8A6016
Aircraft Mechanic, KC-1306017
Aircraft Mechanic, Jet General6018
Aircraft Mechanic, OV-106019
Aircraft Maintenance Chief6021
Aircraft Power Plants Mechanic - Trainee6022
Systems Technician, IMA Aircraft Power Plants Mechanic, J526023
Aircraft Power Plants Mechanic, T766024
Aircraft Power Plants Mechanic, J796025 Pegasus
Aircraft Power Plants Mechanic, Rolls Royce6026
Aircraft Power Plants Mechanic, T566027
Aircraft Power Plants Mechanic, Jet General6028
Aircraft Mechanic, Reciprocating6031
Aircraft Flight Engineer, KC-l3O Trainee6032
Aircraft Power Plants Test Cell Operator6034
Spectrometric Oil Analysis Technician6036
Aircraft Propeller Mechanic6038
Aircraft Flight Engineer, KC-l3O6041
Aircraft Structures Mechanic - Trainee6042
Aircraft Structures Mechanic6043
Aircraft Welder6044
Aircraft Non-Destructive Testing Supervisor6051 Trainee
Aircraft Hydraulic/Pneumatic Mechanic -6052 General
Aircraft Hydraulic/Pneumatic Mechanic6053 A6/EA6
Aircraft Hydraulic/Pneumatic Mechanic,6054 F/4/RF4
Aircraft Hydraulic/Pneumatic Mechanic,6059
Aircraft Airframes Maintenance Chief6062
Aircraft Safety Equipment Mechanic6064
Flight Equipment Man6067
Aircraft Safety Equipment Chief606l
Aircraft Safety Equipment Mechanic - Trainee6071
Aircraft Maintenance Ground Support6072 Equipment Mechanic
Aircraft Maintenance Ground Support6075
Cryogenics Equipment Operator6076 Equip Hydraulic/Pneumatic/Structures Mech
Aircraft Maint Ground Sup6077 Equipment Electrician
Aircraft Maintenance Ground Support6078 Equipment Refrigeration Mechanic
Aircraft Maintenance Ground Support6079 Equipment Chief
Aircraft Maintenance Ground Support6082
Aircraft Maintenance Administration Clerk6083 Technician
Aircraft Maintenance Data Analysis6111
Helicopter Mechanic - Trainee6113
Helicopter Mechanic, CH-46, CH-536114
Helicopter Mechanic, U/AH-16119
Helicopter Maintenance Chief6121
Helicopter Power Plants Mechanic - Trainee6122
Helicopter Power Plants Mechanic, T-586124
Helicopter Power Plants Mechanic T-536125
Helicopter Power Plants Mechanic, T-64 G123, T-4006131
6132
Helicopter Dynamic Components Mechanic-Trainee6132
Helicopter Dynamic Components Mechanic6500
Basic Aviations Ordnance Man
6521
Aviation Ordnance Munitionsman6531
Aircraft Ordnance-Technician -6533
Aviation Ordnance Chief6541
Aircraft Ordnance/Missile Technician6600 (W)
Basic Avionics Man
6611 Technician - Trainee
Aircraft Communications/Navigation Systems6612 Tech, Helicopter/OV-10
Aircraft Communications/Navigation Systems6613 Tech, Transport/Utility
Aircraft Communications/Navigation Systems6614 Tech, A-4/TA4/A-6/EA-6/F-8
Aircraft Communications/Navigation Systems6615 Technician, AV-8A
Aircraft Communications/Navigation Systems6616 Technician, RF-4/RF-4B/J
Aircraft Communications/Navigation Systems6617
Aircraft Communication Systems Technician, IMA6618
Aircraft Navigation Systems Technician, Radio,6619
Aircraft Navigation Systems Technician, Radar,6620 IMA
Aircraft Navigation Systems Technician, TACAN,6621
Aircraft Radar Systems Tech - Trainee6622
KY-28 Cryptographic Technician6623 Systems Technician, EA6A
Aircraft Passive Electronic Countermeasures6624 Systems Technician EA-6A
Aircraft Active Electronic Countermeasures6625 Tech, RF-4
Aircraft Radar Recon Systems6626
Aircraft Passive Electronic Countermeasures6627 Systems Technician, IMA
Aircraft Active Electronic Countermeasures6628 Systems Technician, IMA
Aircraft Deceptive Electronic Countermeasures
6629 Tech, IMA
Aircraft Radar/IR Recon Systems6631 Trainee
Aircraft Electrical Systems Technician -6632 Helicopter/OV-10
Aircraft Electrical Systems Technician,6633 Transport/Utility
Aircraft Electrical Systems Technician,6638 Technician, IMA
Aircraft Electrical/Instrument Systems6639 Computer Systems Tech, IMA
Aircraft Flight Control and Air Data6640 Technician
Aviation Electronic Micro-Miniature Repair6641 Technician - Trainee
Aircraft Armament Control/Attack Systems6641 Technician-Trainee
Aircraft Armament Control/Attack Systems6642
Aircraft Attack Systems Technician, A-46643 A-6/EA-6
Aircraft Radar Attack Systems Technician,6643
Aircraft Attack Systems Technician, A-6/EA-6
6644
Aircraft Attack Systems Technician, AV-8A6645
Aircraft Attack Systems Technician,A-6/EA6, IMA
6646 IMA
Aircraft Attack Systems Technician, A-4/AV-8A,
6652
Aircraft Search/Track Radar Technician, A-6/SACR6653
Aircraft Ballistics Computer Technician, A6/SACE
6654 Technician, A-6/SACE
Aircraft Inertial Navigation Systems6655 EMTC Systems Tech, IMA
Semi-Automatic Checkout Equipment (SACE)MATC6656 Technician F-4B (AERO-1A)
Aircraft Armament Control Systems6657 F-4J
Aircraft Armament Control Systems Technician
6658 AERO-1A, IMA
Aircraft Armament Control Systems Technician
6659 AWG-10, IMA
Aircraft Armament Control Systems Technician
6662 (W)
Aviation Training Devices Technician, General6663 (W)
Aviation Training Devices Technician, H-466664 (W)
Aviation Training Devices Technician, A/EA-66665 (W)
aviation Training Devices Technician, F/RF-46666 (W) Control/Air Defense Systems
Aviation Training Devices Tech, Air6672
Aerial Camera Systems Technician6673
Aerial Camera, ADAS Systems Technician, IMA6674 Technician
Imagery Interpretation Equipment Repair6675
Aviation Photographic Film Processor6679
Aviation Photographic/Electronic Systems Chief6682 Calibration Technician
Aviation Precision Measurement Equipment6683 Technician
Aviation Precision Measurement Equipment Repair6689
Aviation Precision Measurement Equipment Chief6691
Avionics Maintenance Chief6693 (W)
Training Support Center Chief6700 (W)
Basic Air Control/Anti-Air Warfare Man6711 (W)
Air Traffic Controller-Tower Trainee6712 (W)
Air Traffic Controller-Tower6721 (W)
Air Traffic Controller-Radar Trainee6722 (W)
Air Traffic Controller-Radar6724 (W)
Air Traffic Controller6751
Air Control/Anti-Air Warfare Operator - Trainee
6752
Redeye Gunner6753
HAWK Missile System Operator6754
Anti-Air Warfare Batteryman6755 System
Air Control Electronics Operator, Manual6756 System
Air Control Electronics Operator, Automated6757
Air Support Operations Operator6758
Air Controller, Automated Systems6759 Supervisor
Air Command, Control and Defense System6781
Airborne Radio Operator - Trainee6782
Airborne Radio Operator6785
Aerial Navigator - Trainee6786
Aerial Navigator6788
Airborne Electronic Countermeasures Operator6800 (W)
Basic Weather Service Man6821 (W)
Weather Observer6831 (W)
Weather observer/Rawinsonde Operator6842 (W)
Weather Forecaster7000 (W)
Basic Aviation Operations Man
7011
Aircraft Launch and Recovery Technician7041 (W)
Aviation Operations, Man7051
Aircraft Crash, Fire and Rescue Man7100
Basic Air Delivery Man7141
Air Delivery Man8061
Marine Wing Weapons, Unit Specialist8062
Ground Nuclear Weapons Technician8151
Guard8231 (W)
Education Assistant8404 (W)
FMF USN Hospital Corpsman.
Recruiter8421 (W)
Career Planner8431
Psychological Operations NCO8441
Civil Affairs NCO8511 (W)
Drill Instructor8531
Marksmanship Instructor8535 (W)
Human Relations Instructor8561 (W)
Physical Training Instructor8611 (W)
Interpreter (Designated Language)8621
Surveillance Sensor Operator8631
Surveillance Sensor Maintenance Man8652 Qualified
Reconnaissance Man, Parachute Jump8654 Qualified
Reconnaissance Man, Parachute and SCUBA8662
Parachutist8711
Infantry Operations Assistant8811
Fireman8911 (W)
Barracks and Grounds Man8915 (W)
Messman8921 (W)
Athletic and Recreation Assistant8981 (W)
Military Affiliate Radio System Radio Operator
8a53
Reconnaissance Man, SCUBA Qualified9011 (W)
Club Manager/Treasurer9051
Graves Registration Specialist9811
Band of the USMC9900 (W)
Basic Marine, General Service9915 (W)
Special Assignment - Enlisted9940 (W)
Vietnamese Language Trained9970 (W)-9975 (W)
Basic Marine, Enlistment Program9991
Sergeant Major of the Marine Corps9999 (W)
Sergeant Major/First Sergeant
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