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Military Occupational
Specialty (MOS)
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Some of the Crew Positions and other Job Assignments of the men in our Rosters are identified by a number rather than a name. The numbers were called their Military Occupational Specialty, or MOS. Though there were hundreds of MOSs, the most common for Air Crews and Bombardment Groups are listed below.

A complete listing of Military Operational Specialities is available here:
http://www.armyairforces.com/Databases/MOS/tabid/104/Default.aspx

Officers:

  • 1021 Pilot - Single Engine (P-38, P-47, P-51)
  • 1022 Pilot - Twin Engine (A-20, B-25, B-26, etc)
  • 1024 Pilot - Four Engine (Usually Transport Pilots)
  • 1029 Combat Observer
  • 1031 Aerial Gunner
  • 1034 Bombardier
  • 1035 Navigator
  • 1036 Navigator/Bombardier
  • 1038 Navigator Bombardier
  • 1051 Co Pilot
  • 1091 Pilot (B-17 & B-24)
Enlisted Men:
  • 050 Carpenter, Construction; Packing Case Maker
  • 055 Clerk (Account, File, General, Record); Motor Vehicle Dispatcher; Mimeograph or Ditto Machine Operator; Film Librarian; Librarian; Mail Orderly; Music Librarian; Processor; Proofreader
  • 283 Physical Reconditioning Instructor
  • 383 Firefighter
  • 405 Typist; Clerk Administrative & Technical;
  • 509 Enlisted Bombardier
  • 538 Voice Interpreter (Designated Language)
  • 548 Mechanic - Airplane Fabric & Dope Worker
  • 555 Airplane Sheet Metal Worker
  • 590 Airplane Handler; Furnace Fireman; Oven Kitchen Helper; Water Tender; Oven Fireman; Laborer
  • 611 Aerial Gunner (Waist, Ball & Tail)
  • 612 Armorer Gunner (Togglier)
  • 620 Parachute Repairman
  • 677 Military Policeman; Radio Dispatcher Police
  • 678 Power Turret/Gunsight Mechanic
  • 737 Flight Engineer
  • 748 Aerial Engineer Gunner
  • 748 Airplane Mechanic Gunner
  • 757 Radio Operator
  • 750 Crew Chief or Line Chief
  • 757 Radio Operator Mechanic Gunner
  • 770 Enlisted Pilot
  • 824 Mess Sergeant
  • 852 Mechanic Radar RCM
  • 853 Radar Mechanic Navigation
  • 939 Aerial; Photographer Gunner
  • 940 Aerial Photographer
  • 959 Repairman Airplane Mechanical Instrument
  • 965 Repairman Automotive (AAF)
NOTE: Some of the Enlisted Men were dual rated and had several MOSs

Command Positions:
  • 1011 Squadron Commander Air Corps
  • 1012 Group Commander Air Corps
  • 1013 Group Commander (Base Commander)
  • 2020 Executive Officer
  • 2021 Executive Officer Combat
  • 2100 Operations Officer (S-3)
  • 2110 Adjutant
  • 2120 Administrative Officer
  • 2160 Operations Officer (S-3)
  • 2161 Operations Officer - Air Force
  • 2110 Medical
  • 2260 Personnel Staff Officer (S-1)
  • 3162 Flight Surgeon
  • 3170 Medical
  • 3176 Surgeon -- Air Force
  • 4000 Supply Officer
  • 4110 Mess Officer
  • 4512 Ordnance Officer
  • 4532 Ordnance
  • 4823 Engineering Officer (S-4)
  • 4902 Technical Supply Officer Air Force
  • 5310 Chaplain
  • 6200 Administrative Finance Officer
  • 6201 Finance
  • 7540 Engineering Officer - Aeronautical
  • 7542 Engineering Officer - Aircraft Maintenance
  • 9100 Military Police
  • 9110 Commanding Officer - Military Police
  • 9300 Intelligence Officer (S-2)
  • 9301 Intelligence Staff Officer (S-2)