Shaw Air Force Base (Shaw AFB) (IATA: SSC, ICAO: KSSC, FAA LID: SSC) is a United States Air Force base located approximately 8.4 miles (13.5 km) west-northwest of downtown Sumter, South Carolina. It is one of the largest military bases operated by the United States, and is under the jurisdiction of the United States Air Force Air Combat Command (ACC). The United States Air Force 20th Fighter Wing (20th FW) is the host unit.