Scott Air Force Base is a United States Air Force base in St. Clair County, Illinois, near Belleville and O'Fallon, 17 miles east-southeast of downtown St. Louis. It is part of the Air Mobility Command (AMC), and is also the headquarters of the U.S. Transportation Command, a Unified Combatant Command that coordinates transportation across all the services. Scott Air Force Base( IATA : BLV, ICAO : KBLV, FAA LID : BLV) is a United States Air Force base in St. Clair County, Illinois, near Belleville and O'Fallon, 17 miles east-southeast of downtown St. Louis. The base is operated by the 375th Air Mobility Wing (375 AMW) and is also home to the Air Force Reserve Command's 932d Airlift Wing (932 AW) and the Illinois Air National Guard's 126th Air Refueling Wing (126 ARW), the latter two units being operationally gained by the US Air Force's Air Mobility Command (AMC).Its airfield is also used by civilian aircraft, with civilian operations at the base referring to the facility as MidAmerica St. Louis Airport. Scott Field was one of thirty-two Air Service training camps established after the United States entered World War I in April 1917. It is headquarters of Air Mobility Command, and is also the headquarters of the U.S. Transportation Command, a Unified Combatant Command that coordinates transportation across all the services. The base is Scott Field was one of thirty-two Air Service training camps established after the United States entered World War I in April 1917. The Amundsen–Scott South Pole Station is a United States scientific research station at the South Pole, the southernmost place on the Earth.