3043 administration and operations

The Marine Corps military occupational specialty (MOS) code 3043 refers to Supply Chain and Materiel Management Specialists. These Marines are responsible for controlling the distribution of supplies to their assigned unit. They are experts at maintaining supply warehouses and specialize in tracking, ordering, and processing Marine Corps equipment. They also perform and monitor management and procedural application of manual or automated inventory control actions.

These Marines must be able to accomplish the technical duties in retail and wholesale supply accounting within every Marine Corps activity and unit.