The Fifteenth United States Army, often abbreviated as the 15th USAR, is a reserve component of the United States Army. It serves under the U.S. Army Reserve Command and is part of the larger United States Total Army. The army is primarily composed of soldiers who maintain their military status while pursuing civilian careers. The Fifteenth Army’s mission is to support the active duty forces during times of peace, stabilization operations, contingencies, and wartime. Its headquarters are located in Indianapolis, Indiana. The army’s units are strategically dispersed throughout the U.S. for efficient mobilization when required.