The U.S. Army Combined Arms Support Command (CASCOM) is a major subordinate command of the U.S. Army Training and Doctrine Command (TRADOC) and is located at Fort Gregg-Adams, Virginia. Subordinate to CASCOM is the Sustainment Center of Excellence (SCoE), which oversees and coordinates the five sustainment branches of the Army (Adjutant General Corps, Finance Corps, Ordnance Corps, Quartermaster Corps, Transportation Corps) and the Army Sustainment University. The commander of CASCOM is dual-hatted as the head of SCoE. The CASCOM commander also serves as the commander of Fort Gregg-Adams.