The 618th Air Operations Center (Tanker Airlift Control Center) is a United States Air Force unit assigned to Air Mobility Command's Eighteenth Air Force (18AF/AFTRANS). It is stationed at Scott Air Force Base, Illinois. The 618th AOC (TACC) is responsible for planning, scheduling, and tracking aircraft performing airlift, aerial refueling, and aeromedical evacuation operations around the world. It serves as an Air Operations Center (AOC) for 18AF/AFTRANS, executing missions assigned by the United States Transportation Command (USTRANSCOM).