The 3rd Marine Logistics Group (3rd MLG) is a logistics unit of the United States Marine Corps and is headquartered at Camp Smedley Butler, Okinawa, Japan. 3d MLG was formerly the 3rd Force Service Support Group (3d FSSG), with official redesignation on 28 October 2005. They are the logistics combat element of III Marine Expeditionary Force. The Group's mission is defined as:[citation needed]