Army Service Component Command

Command responsible for allocating forces Army Service Component Commands (ASCCs) are U.S. Army commands responsible for recommendations to the Joint Force Commander on the allocation and employment of U.S. Army forces within a unified combatant command (CCMD) or further assigned to a subordinate unified command. The concept of unified combatant commands grew out of the World War II formation of the Supreme Headquarters Allied Expeditionary Force (SHAEF), coordinating the strategy and operation of multiple service branches. As of 2024, the United States Department of Defense has established 11 of these CCMDs, composed of units from two or more service branches of the United States Armed Forces, and conducts broad and continuing missions. For any such CCMDs that include units of the U.S. Army, an ASCC is attached. In addition, in the event that the overall combatant commander creates a subordinate unified command within their CCMD, the Department of the Army will form a matching Army component headquarters. In matching, the secretary of the Army also has the authority to redirect service responsibilities outside of Army Service Command Component channels (to one of the other service