U.S. Army World War II
Military Occupational Specialties
(By Job Area)

1. Gunnery and Gunnery Control.

a. Light and Heavy Weapons (including organizational maintenance).
511 Armorer.
604 Light Machine Gunner.
605 Heavy Machine Gunner.
607 Light Mortar Crewman.
745 Rifleman.
746 Automatic Rifleman.
812 Heavy Weapons NCO.
1607 Heavy Mortar Crewman.
1812 Light Weapons NCO.

b. Field and Coast Artillery (including organizational maintenance ).
571 Electrician, Harbor Defense.
572 Seacoast Gun Data Computer.
576 Flash Ranging Observer.
578 Observation Station Operator. Coast Artillery.
586 Sound Ranging Observer.
608 Gun Crewman, Coast Artillery.
645 Fire Control Instrument Operator, Field Artillery.
724 Range Section Operator. Coast Artillery.
802 Artillery Mechanic, Minor Maintenance.
836 Sound Recorder, Field Artillery.
844 Gun Crewman, Light Artillery.
845 Gun Crewman, Heavy Artillery.
864 Gun Crewman, Medium Artillery.
1531 Gun Crewman, Pack Artillery.

c. Antiaircraft Artillery (including organizational maintenance).
527 Antiaircraft Range Section NCO.
597 Antiaircraft Artillery Machine Gun Crewman, SP.
598 Antiaircraft Artillery NCO, SP Weapons.
601 Antiaircraft Artillery Automatic Weapons Crewman..
633 Fire Control Electrician, Antiaircraft (Automatic Weapons).
634 Fire Control Electrician, Antiaircraft (Gun).
635 Searchlight Electrician.
692 Height Finder Observer.
763 Searchlight Crewman.
833 Artillery Mechanic, Antiaircraft (Automatic Weapons) Minor Maintenance.
834 Artillery Mechanic, Antiaircraft (Gun) Minor Maintenance.
841 Artillery Mechanic, Antiaircraft (Selfpropelled) Minor Maintenance.
946 Searchlight NCO.
1645 Range Section Operator, Antiaircraft.
2601 Antiaircraft Artillery Gun Crewman.
3601 Antiaircraft Artillery Automatic Weapons Crewman, SP.

d. Tank and Antitank (including organizational maintenance ).
610 Antitank Gun Crewman.
660 Tank Mechanic, Minor Maintenance.
1736 Light Tank Crewman.
2736 Medium Tank Crewman.
3736 Amphibian Tank Crewman.

e. Air Crew.
509 Bombardier.
580 Remote Control Turret Mechanic-Gunner.
611 Aerial Gunner.
612 Airplane Armorer-Gunner.
737 Flight Engineer.
748 Airplane Mechanic-Gunner.
757 Radio Operator-Mechanic-Gunner, AAF.
770 Airplane Pilot.
772 Liaison Pilot.
773 Service Pilot.
939 Aerial Photographer-Gunner.
940 Aerial Photographer.
1684 Airplane Power Plant Mechanic-Gunner.
1685 Airplane Electrical Mechanic-Gunner.
2750 Aerial Engineer.
2756 Radio Operator and Mechanic. AAF.
2867 Radar Observer-Mechanic, Bombardment.

2. Intelligence, Reconnaissance, and Security.

a. Reconnaissance.
733 Reconnaissance Car Crewman.
761 Scout.

b. Intelligence and Operations.
552 Control Tower Operator.
631 Intelligence NCO.
670 Master Gunner, Coast Artillery.
671 Master Gunner. Antiaircraft (Gun).
768 Control Center Technician.
791 Air Operations Specialist.
814 Operations NCO.
832 Master Gunner. Antiaircraft.

c. Radio Intelligence.
538 Voice Interceptor (Designated Language). .
543 Radio Intelligence Control Chief.
709 Traffic Analyst (Radio).
738 Intercept Operator, G.
739 Intercept Operator, J.
6709 Trafïic Analyst, G.
8709 Traffic Analyst, J.

d. Security.
301 Investigator.
510 Information Center Operator.
518 Ground Aircraft Observer.
526 Balloon Crewman.
669 Military Policeman. Occupied Territory.
677 Military Policeman
968 Mine Detector Operator.

e. Gas and Chemical.
731 Smoke Generator Operator.
786 Toxic Gas Handler.
809 Decontaminating Equipment Operator.
870 Chemical NCO.
979 Chemical Warfare Man. General.

3. Communications.

a. Message Center.
542 Communications Chief.
560 Pidgeoneer.
667 Message Center Clerk.
674 Message Center Chief.
765 Visual Signalman.
805 Cryptographic Technician.
807 Cryptographic Code Compiler.
808 Cryptanalysis Technician.

b. Telephone and Telegraph
039 Cable Splicer, Telephone and Telegraph.
095 Central Office Repairman.
097 Installer-Repairman, Telephone and Telegraph.
115 Automatic Telephone System Maintenance Man.
187 Repeaterman. Telephone.
197 Submarine Cable Station Technician.
209 Submarine Cable Station Operator.
232 Switchboard Installer-Repairman. Manual
236 Telegraph Operator.
237 Teletype Operator.
238 Lineman, Telephone and Telegraph.
239 Teletype Mechanic.
261 Wire Chief. Telephone and Telegraph.
309 Telephone Operator.
384 Installer, Toll Telephone and Telegraph.
641 Field Lineman.
650 Telephone Switchboard Operator.
801 Cryptographic Repairman (Designated Equipment).
893 Facsimile Operator.
894 Facsimile Technician.
950 Wire Repairman. VHF.

c. Radio and Radar Operation.
514 Radar Crewman (Designated Set).
740 Radio Operator, Intermediate Speed.
756 Radio Operator. AAF.
759 Radio Operator, CKS.
760 Radio Operator, AACS.
766 Radio Operator. High Speed, Manual.
776 Radio Operator, Low Speed.
777 Radio Operator. High Speed. Automatic.
798 Transmitter Attendant. Fixed Station.
799 Intercept Operator. Fixed Station.
842 Radar Operator, AN/TPQ (Designated Model).
843 Radar Operator, AN/TPT (Designated Model).
866 Radar Observer. Sea Search.
869 DF Evaluator.
1766 Radio Operator, AN/MRQ (Designated Model).

4. Transportation.

a. Motor Transportation (including organizational maintenance).
014 Automotive Mechanic (Second Echelon).
316 Automobile Serviceman.
345 Truck Driver, Light.
378 Motorcyclist.
735 Full-Track Driver.
931 Truck Driver, Heavy.
932 Special Vehicle Operator.

b. Animal Transportation (including organizational care).
093 Horsebreaker.
094 Horseshoer.
235 Teamster.
563 Horse Artillery Driver.
565 Pack Driver.
710 Stable Sergeant.
712 Packer, Animal.
713 Packmaster.

c. Railway Transportation.
033 Brakeman, Railway.
047 Traffic Man, Railway.
058 Conductor, Railway.
069 Dispatcher, Railway.
110 Locomotive Engineer.
111 Locomotive Fireman.
185"Railway Signal Operator.
265 Yardmaster.

d. Water Transportation (including organizational maintenance).
065 Seaman.
080 Marine Engineer.
117 Marine Fireman.
118 Small Boat Operator.
141 Marine Oiler.
546 Coxswain, Mine Yawl.
547 Master, L Boat.
732 Amphibian Tractor Driver.
797 Amphibian Truck Mechanic (DUKW).
837- Amphibian Track Vehicle Mechanic.
838 Seaman, Landing Craft.
839 Marine Engineman.
927 Amphibian Transportation NCO.
934 Amphibian Truck Driver.

e. Air Transportation.
967 Air Transportation Technician.
2967 Flight Traffic Clerk.

5. Supply,

a. General.
252 Foreman, Warehouse.
348 Parts Clerk, Automotive.
505 Ammunition NCO.
581 Signal Supply Technician.
582 Aerial Mine Technician.'
583 Engineer Supply Technician.
656 Submarine Mine Loader.
714 Mine Supply Maintenance Technician.
769 Chief Storekeeper, Railway.
815 Ordnance Supply NCO.
821 Quartermaster Supply Technician.
825 Medical Supply NCO.
826 AAF Supply Technician.
835 Supply Clerk.
847 Prosthetic Dental Supply Clerk.
848 Parts Clerk, Armament.
901 Munitions Worker.
949 Ammunition Renovator.

b. Food-Service, Purchasing and Supply.
017 Baker.
037 Meat Cutter.
060 Cook.
371 Purchasing Agent.
819 Commissary Steward.
820 Subsistence NCO.
824 Mess Sergeant.

c. Cargo Handling (including organizational maintenance).
246 Cargo Gear Mechanic.
271 Longshoreman.
470 Cargo Checker.
473 Winch Operator.

6. Maintenance.

a. Armament Repair.
903 Small Arms Weapons Mechanic.
907 Mechanic, Turret.
913 Artillery Mechanic, Light.
914 Artillery Mechanic, Heavy.
915 Artillery Mechanic, Heavy Antiaircraft.
923 Welder, Armor Plate.
973 Chief Artillery Mechanic.
978 Artillery Mechanic, Light Antiaircraft.
1907 Gyrostabilizer Mechanic.

b:Aircraft Armament Maintenance.
575 Remote Control Turret Repairman.
662 Aerial Torpedo Mechanic.
678 Power Turret and Gunsight Mechanic.
681 Power Turret and Gunsight Repairman.
960 Remote Control Turret Mechanic,

c. Airplane Maintenance and Repair.
528 Airplane Hydraulic Mechanic.
548 Fabric and Dope Mechanic.
550 Airplane Woodworker.
555 Airplane Sheet Metal Worker.
559 Glider Mechanic.
573 Welder, Aircraft.
665 Fuel Cell Repairman.
684 Airplane Power Plant Mechanic.
685 Airplane Electrical Mechanic.
687 Airplane Propeller Mechanic.
689 Airplane .Cable Mechanic.
747 Airplane and Engine Mechanic.
750 Airplane Maintenance Technician.
762 Airplane Engine Repairman.
911 Airplane.Armorer.
925 Aircraft Engineering Technician.
956 Airplane Carburetor Repairman.
958 Airplane and Engine Electrical Accessories Repairman.
964 Airplane Supercharger Repairman.

d. Instrument Repair.
098 Instrument Repairman. Nonelectrical.
338 Instrument Repairman, Electrical.
381 Watch Repairman.
574 Bombsight and Automatic Pilot Repairman.
579 Casemate Electrician.
683 Bombsight Mechanic.
686 Airplane Instrument Mechanic.
899 Director Repairman. Electrical. Heavy Antiaircraft Artillery.
917 Director Repairman. Mechanical. Heavy Antiaircraft Artillery. .
918 Fire Control Repairman, Light Antiaircraft Artillery.
919 Control System Repairman. Heavy Antiaircraft Artillery.
921 Height Finder Repairman.
922 Instrument Repairman, Fire Control.
957 Airplane Electrical Instrument Mechanic.
959 Airplane Mechanical Instrument Repairman.
961 Airplane Gyro Instrument Repairman.
962 Optical Instrument Repairman.
994 Servo Mechanic. PQ Target Airplane.

e. Radio and Radar Repair.
150 Crystal Grinder.
647 Radio Repairman, Aircraft Equipment.
648 Radio Repairman.
649 Radio Repairman. Fixed Station.
754 Radio Mechanic. AAF.
775 Radar Mechanic, Ground Equipment (Designated Set).
778 Radio Mechanic, AACS.
792 Radio Repairman, Single Channel Teletype. :
849 Radar Mechanic, Troop Carrier.
850 Radar Mechanic, Night Fighter.
851 Radar Mechanic, Beacon.
852 Radar Mechanic, RCM
853 Radar Mechanic, Navigation.
854 Radar Mechanic. Sea Search.
856 Radar Mechanic. Sea Search (LAB).
860 Radar Mechanic (GEE).
862 Radar Mechanic (IFF).
863 Radar Mechanic (GCA).
867 Radar Mechanic, Bombardment.|
868 Radio-Teletype Mechanic.
933 Instrument Landing Equipment Mechanic.
948 Radar Mechanic, Ground Loran.
951 Radio Repairman, VHF.
952 Radar Repairman, Gun-Laying Equipment (Designated Set).
953 Radar Repairman, Reporting Equipment (Designated Set).
955 Radar Repairman, Airborne Equipment (Designated Set).
974 Radar Repairman, AN/TPT (Designated Model).
993 Radio Mechanic, PQ Target Airplane.
1648 Radio Repairman, AN/MRQ (Designated Model ).

f. Photography Equipment Repair.
042 Camera Repairman.
158 Microfilm Equipment Repairman.
206 Sound Projector Repairman.
207 Sound Recording Equipment Maintenance Man.
943. Camera Technician.

g. Special Equipment Repair.
229 Medical Equipment Maintenance Technician.
282 Office Machine Serviceman.
366 Orthopedic Mechanic.
593 Link Trainer Mechanic.
969 Link Celestial Navigation Trainer Mechanic.

h. Automotive Equipment Repair.
138 Motorcycle Mechanic.
240 Tire Rebuilder.
313 Construction Equipment Mechanic.
337 Foreman, Automotive Repair Shop.
413 Motor Inspector.
529 Wrecker Crewman.
905 Mechanic, Engine, Wheel Vehicle (Gasoline).
906 Mechanic, Chassis, Wheel Vehicle.
90S Mechanic, Chassis, Track Vehicle.
909 Mechanic, Engine, Track Vehicle.
912 Electrician. Automotive.
926 Mechanic, Fuel Induction.
965 Mechanic, Automotive, Wheel Vehicle (Third Echelon).
966 Mechanic, Automotive, Track Vehicle (Third Echelon).

i. Railway Maintenance.
181 Signal Mechanic, Railway.
182 High Voltage Lineman.
184 Substation Operator.
199 Section Hand, Railway.
258 Substation Electrician.
281 Third Rail Repairman.
401 High Voltage Cable Splicer.

j. Railway Equipment Maintenance.
046 Car Carpenter, Railway.
048 Car Mechanic, Railway.
112 Locomotive Mechanic.
135 Electric Locomotive Repairman.
205 Shop Engineer, Railway.

k. Boat Maintenance.
202 Carpenter, Ship.
456 Calker.
477 Mechanic, Marine Engine.
478 Ship Fitter.

l. Balloon Maintenance.
535 Balloon Gas Handler.
615 Chief Balloon Rigger.
619 Balloon Rigger.
639 Balloon Armorer.

m. Shop Maintenance.
024 Blacksmith.
114 Machinist.
129 Foundryman.
148 Pattern Maker, Wood.
242 Toolroom Keeper.
256 Welder, Combination.
302 Machine Operator (Designated Machine).
341 Shop Maintenance Mechanic.
342 Master Mechanic.
431 Machinist's Helper.
457 Shop Clerk.

n. Maintenance, General.
013 Diesel Mechanic.
030 Boilermaker.
050 Carpenter, General.
061 Coppersmith.
077 Powerhouse Engineer.
078 Electrician.
081 Engineman, Operating.
082 Stationary Engineer.
084 Stationary Fireman.
092 Generator Switchboard Operator.
113 Woodworking Machine Operator.
121 Utility Repairman.
144 Painter, General.
145 Painter, Sign.
164 Plumber.
165 Lineman, Power.
166 Powerman.
189 Rigger.
201 Sheet Metal Worker.
270 Cooper.
304 Electric Motor Repairman.
322 Refrigeration Mechanic.
506 Portable Power Generator Repairman.
822 Utilities NCO.
846 Portable Power Generator Operator.

o. Salvage and Repair.
044 Canvas Cover Repairman.
192 Saddle and Harness Maker.
194 Salvage Technician.
200 Sewing Machine Operator.
204 Shoe Repairman.
234 Tailor.
530 Salvage Repair NCO.
609 Leather and Canvas Worker.
620 Parachute Rigger and Repairman.
924 Bomb Salvage Technician.

p. Laundry Operation and Maintenance.
102 Foreman, Laundry.
103 Laundry Machine Operator.
104 Laundry Maintenance Mechanic

q. Fumigation and Bath.
591 Foreman, Fumigation and Bath.
706 Fumigation and Bath Man.

7. Medical.

a. Medical Care.
067 Dental Laboratory Technician.
072 Physical Therapy Technician.
264 X-ray Technician.
365 Optician.
409 Medical Technician.
422 Podiatrist'.
452 Optometrist.
657 Medical Aidman.
673 Medical NCO.
855 Dental Technician.
861 Surgical Technician.

b. Pharmacy and Laboratory.
149 Pharmacist.
484 Entomology Technician.
858 Medical Laboratory Technician.
859 Pharmacy Technician.

c. Veterinary.
120 Meat or Dairy Inspector.
250 Veterinary Technician.
700 Veterinary Ambulance Orderly.

d. Sanitation.
196 Sanitary Technician.

8. Construction and Engineering.

a. Construction, General.
034 Bricklayer.
035 Carpenter, Heavy Construction.
059 Foreman, Construction.
063 Crane Operator.
064 Power Shovel Operator.
100 Structural Steel Worker.
116 Dredgeman.
214 Stonemason.
259 Well Driller.
359 Construction Machine Operator.
533 Demolition Specialist.
729 Pioneer.
804 Camouflage Technician.
817 Pontoneer.

b. Diving Operations.
454 Diver.
455 Diver's Helper,

c. Logging and Sawmill.
329 Lumberjack.
459 Sawmill Machine Operator.
462 Forest Products Tallyman.
464 Millwright, Sawmill.
466 Foreman. Logins.

d. Fire Fighting.
383 Fire Fighter.

e.Oil and Water Supply (including organizational maintenance).
220 Pump Operator.
485 Petroleum Storage Technician.
487 Petroleum Pumping Equipment Repairman.
727 Water Supply Technician.

9. Technical.

a. Surveying and Drafting.
004 Aerial Phototopographer.
070 Draftsman.
071 Draftsman, Mechanical.
074 Draftsman, Structural.
075 Draftsman. Electrical.
076 Draftsman, Topographic.
136 Model Maker.
191 Rodman and Cliainman. Surveying.
227 Surveyor.
228 Survey and Instrument Man.
230 Surveyor, Topographic
243 Geodetic Computer.
387 Cartographer.
577 Survey and Instrument NCO, Field Artillery.
1076 Observation Draftsman,

b. Photography.
043 Cameraman, Motion Picture.
130 Animation Artist.
131 Film Editor, Motion Picture.
132 Electrician, Motion Picture.
137 Projectionist, Motion Picture.
152 Photographer.
208 Sound Recorder, Motion Picture.
285 Cameraman, Animated Motion Picture.
286 Motion Picture Production Technician.
287 Sound Editor, Motion Picture.
407 Sound Mixer, Motion Picture.
415 Electrician, Sound Transmission.
449 Process Background Supervisor.

c. Printing and Publishing.
128 Multilith or Multigraph Operator.
167 Lithographic Pressman.
168 Printer.
169 Job Pressman.

d. Photographic Laboratory.
016 Laboratory Technician, V-mail or Microfilm.
028 Blueprinter or Photostat Operator.
107 Photolithographer.
134 Laboratory Technician, Motion Picture.
945 Photographic Laboratory Technician.

e. Chemical and Physics Laboratory.
160 Physics Laboratory Assistant.
292 Chemist.
293 Chemical Engineer.
358 Glassblower.
411 Chemical Laboratory Assistant. -

f Weather Observation (including maintenance).
782 Weather Equipment Technician.
784 Weather Observer.
787 Weather Forecaster.
790 Weather Observer-Teletype Technician
942 Radiosonde Operator.

g. Training (including maintenance).
283 Athletic Instructor.
458 Dog Trainer.
617 Altitude Chamber Technician.
658 Link Trainer Instructor.
659 Instructor (Designated Subject).
688 Tow Target Reel Operator.
691 Flexible Gunnery Trainer Operator-Mechanic.
703 Coxswain, Radio Target Boat.
938 AAF Gunnery Instructor.
970 Link Celestial Navigation Trainer Operator.

h. Miscellaneous.
486 Safety Inspector.
170 Engineering Aide (Designated Field).
479 Still Operator.
719 Oxygen and Acetylene Plant Operator.
722 Submarine Mine Planter.

10. Administration.

a. Clerical—Administrative.
055 Clerk, General.
056 Postal Clerk.
213 Stenographer.
267 Translator.
279 Legal Clerk.
320 Interpreter.
373 Sales Clerk.
405 Clerk-Typist.
502 Administrative NCO.
622 Finance Technical Clerk.
623 Finance Typist Clerk.
624 Finance Clerk.

b. Classification and Guidance.
262 Occupational Counselor.
263 Psychiatric Social Worker.
275 Classification Specialist.
289 Personnel Consultant Assistant.
290 Personnel Technician.

c. Machine Records.
272 Key Punch Operator.
400 Tabulating Machine Operator.
425 Tabulating Machine Repairman.

d. Military Band.
020 Band Leader.
175 Bandsman. Oboe.
176 Bandsman. Bassoon.
432 Bandsman, Clarinet.
433 Bandsman, Cornet or Trumpet.
434 Bandsman, Bass Drum.
435 Bandsman, Snare Drum.
436 Bandsman, Euphonium or Baritone.
437 Bandsman, Flute or Piccolo.
438 Bandsman, French Horn.
439 Bandsman, Saxophone.
440 Bandsman, Trombone.
441 Bandsman, Tuba.

e. Special Services
274 Writer. Military Subjects.
288 Playwright.
296 Artist.
442 Entertainment Specialist.

f. Miscellaneous.
022 Barber.
188 Duty Soldier IL
356 Foreman. Labor.
521 Basic.
522 Duty Soldier I.
564 Special Assignment.
566 Duty NCO.
590 Duty Soldier III.
625 Officer Candidate.
629 Student.
803 Bugler.

Bibliography:
TM 12-427: Military Occupational Classification of Enlisted Personnel – (12 July 1944) -- WARNING! 75~ MB!