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Military Occupation Specialty Codes

Charles D. Carter sent Nike Hercules MOS and MOS Vietnam era July 2012.

from Jos Weijenberg March 2008

On your MOS info pages you give some information on occupation codes. Attached you will find some additional information related to foreign occupation codes.

After my training on Fort Bliss I worked a couple years (1969-1972) as a radar/computer (electronic) technician on an IFC of the Netherlands Airforce in Germany. Looking at the training chart my occupation was “4B-222BX/121-226.1X”. Based on some examination results forms, I followed the 24Q20X course. Normally they referred as '226' to the IFC technician. I am not sure if this reference is also used on US-sites.

The attached charts are from a Fort Bliss information pamphlet “Foreign Student Program”. If you are interested in this document (16 pages) for your archive I can sent you a scan.


Jos Weijenberg

David Novak pointed out Vietnam-era MOS codes: Army
and adds

Looks like by the copy of orders I have kept, MOS designations from nnn.n to a 5 digit alphanumeric one occurred somewhere late 1965 to early 1966. During that period I went from a 229.1 to 26J20, ABAR mechanic. Don't remember much about the change other than remembering the designations

The following are selected for "Nike" or "HERCULES".

1177	"Air Defense Missile Staff Officer, Nike Hercules"
1180    "Missile Fire Unit Commander" - Commissioned - as opposed to Warrant Officer
  16B	HERCULES Missile Crewmember
  16C	HERCULES Fire Control Crewmember
 221B	"Missile Assembly Technician, Nike"
 222B	"Missile Fire Control Technician, Nike"
  22F	HERCULES Electronics Mechanic
  22G	NIKE Launcher System Repairman
  22H	NIKE Internal Guidance Repairman
  22L	NIKE-HERCULES Test Equipment Repairer
  22M	NIKE Missile Repairman
  22N	NIKE-HERCULES Missile-Launcher Repairer
  23G	NIKE-HERCULES Fire Control Mechanic
  23M	NIKE Acquisition Radar Repairman
  23N	NIKE-HERCULES Track Radar Repairer
  23U	NIKE-HERCULES High Power Radar Simulator Repairer
  23W	NIKE Maintenance Chief
  24Q	NIKE-HERCULES Fire Control Mechanic
  24U	NIKE-HERCULES Custodial Mechanic
 251B	"Air Defense Missile System Repair Technician, Nike"
  46C	HERCULES Missile Mechanic
  46D	NIKE Mechanical Repairman
additions - latest near the top

Steve Bardowsk also contributed to this list

Adventures in the real world - reports via David Novak
On ed thelen's website you listed both 16k and 17h as "fire distribution crewman". It was changed from 17h to 16k during the months of February/March, 1968. I entered the service with the guarantee to be a 17h. While in basic, I was told the MOS no longer existed and the major at Ft. Campbell said I could be a 16h. So, instead of going for on-the-job training (ojt) for 17h in Mpls/St Paul, when I finished basic i was sent to Ft. Bliss for advanced individual training (ait) for 16h.

When I arrived at Ft. Bliss, the officer overseeing the operation saw what had happened to me and had me on a plane for Mpls/St Paul for ojt training in 16k. Seems they had to get me there within 36 hours after basic or I could have got out on "breach-of-contract". I arrived at the site in Mpls/St Paul 34 hours after basic. They said there was an ait school at Ft. Bliss, but the only 16k's I ever met were all ojt.

Updated March, 2008
If you have comments or suggestions, Send e-mail to Ed Thelen