The Marine Corps is responsible for fulfilling a capability for Class VIII materiel equivalent to 60 Days of Supply (DOS). To support the execution of this responsibility the Marine Corps has designated the Defense Medical Logistics Standard Support (DMLSS} and the Global Combat Support System Marine Corps (GCSS-MC} to accomplish this task. DMLSS is an inventory control and item accounting system used to maintain data related to the assets of medical logistics accounts, including in-use and stored equipment. GCSS-MC provides accountability at the Table of Authorized Materiel Control Numbers (TAMCN) level.