3-8. Sustainment staffs monitor and coordinate sustainment functions between the sustainment and supported staffs. The sustainment staffs also coordinate with specialized functional centers (HRSC and Financial Management Support Center) for oversight of those operations. Theater Army, corps, and division headquarters have staff elements aligned with the movement and maneuver, field artillery, intelligence, mission command, and protection warfighting functions. The sustainment cell within these headquarters consists of the assistant chief of staff, personnel, assistant chief of staff, logistics, assistant chief of staff, finance, surgeon staff, and engineer officer. These staff elements assist the sustainment commander in providing command and control.