United States Armed Forces
- Aircraft Mechanic, Plumbing & Hydraulics
- Airframe & Powerplant Mechanic
- Airframe & Powerplant Mechanic
- Airframe Mechanic
- Armory Technician
- Automobile Mechanic
- Automobile Mechanic (Automotive Service)
- Aviation Ordnanceman (Aircraft Armament Mechanic)
- Aviation Safety Equipment Technician
- Aviation Support Equipment Repairer (Military Service)
- Calibration Laboratory Technician
- Diesel Mechanic
- Electric-Motor Repairer (Any Industry)
- Electrical Equipment Repairperson (Magneto Repairer)
- Electrician, Aircraft (Aircraft MFG, Air Trans)
- Electronics Technician (Professional and Kindred) 0169C
- Electronics Tester
- Engineer Equipment Mechanic
- Hydroelectric-Machinery Mechanic (Utilities)
- Machinist 0296M
