The horizontal construction engineer supervises or serves as a member of a team, squad, section, or platoon. They are responsible for, quarry, paving, and plant equipment operations, and crew maintenance of equipment.

The cannon crewmember supervises or serves as a member of field artillery cannon section or ammunition section.

The fire support specialist leads, supervises, or serves in intelligence activities including target processing in Fires Brigades, FA cannon battalions, artillery and maneuver brigades and Corps headquarters in and fire support elements (FSE) respectively.