The Army divides their MOSs into "Fields," of jobs that have similar missions. Below are the MOSs that belong to the Corps of Engineer Field:
12A- Engineer Senior Sergeant
12B - Combat Engineer
12C - Bridge Crewmember
12D - Diver
12G - Quarrying Specialist
12H - Constructlon Engineering Supervisor
12K - Plumber
12M - Firefighter
12N - Horizontal Construction Engineer
12P - Prime Power Production Specialist
12Q -Power Line Distribution Specialist
12R - lnterior Electrician
12T - Technical Engineer
12V - Construction and Asphalt Equipment Operator
12W - Carpentry and Masonry Specialist
12X - General Engineering Supervisor
12Y - Geospatial Engineer
12Z - Combat Engineering Senior Sergeant

