11 Air Force (U.S. Army) The 11 Air Force is a numbered air force within the United States Air Force (USAF), serving under the U.S. Army as part of the U.S. Total Force. It primarily provides air and space power to support the U.S. Army's ground forces, with responsibilities spanning various domains such as air defense, close air support, air mobility, and intelligence, surveillance, and reconnaissance. The 11 Air Force is headquartered at Joint Base Elmendorf-Richardson in Alaska and falls under the jurisdiction of U.S. Northern Command and U.S. Pacific Command. Its mission is to deliver timely, responsive, and effective air and space power to meet joint force commanders' requirements, thereby ensuring readiness and maintaining combat capabilities for the defense of the nation.