MOS 21G, Quarrying Specialist Duty Descriptions

In 2004, the Engineer MOS changed from CMF 12 to CMF 21. In 2009, the Engineer MOS changed again, from CMF 21 to CMF 12.

Quarrying Specialist
Directs the erection and operation of rock processing equipment; determines screen sizes and crusher settings to produce aggregate to specifications; directs quarry rock excavation to produce required sizes and tonnage of rock; performs as blaster; operates rock drills; assembles, adjusts and operates crushing, screening, conveying, and washing units; assists in blasting operations; assists in performance of combat engineer missions.

Quarrying Specialist
Moves earth, rock, and materials with heavy machinery to provide foundations for airfields, roads, dams, and buildings; operates powered machines to excavate, clean, crush, drill, and grade site layouts; detonates explosives to clear rock; operates and maintains air compressors, pneumatic tools, hydraulic-powered rock drills, rock crushers, and screening equipment; operates ancillary equipment such as generators, conveyors, light sets, and pumps.

Image of Page Divider Line
Image of red X

To contribute examples, enter them below and click Submit.


Duty Title:

Duty Description: