12 Corps of Engineers

The 12 series MOS in the Army represents all construction trade jobs. These jobs include: Plumbing, Electrical, Engineering, Firefighting.

Some examples of 12 series MOS jobs include: 12A Engineer Officer 12B Combat Engineer 12C Bridge Crewmember 12D Army Diver 12F Crane Operator 12G Quarrying Specialist 12H Construction Engineering Supervisor 12K Plumber

Combat engineers are trained to fight their way into and out of any terrain or environment. They can support front-line infantry when necessary. Combat engineers are trained soldiers that can operate firearms, but they primarily specialize in explosives.