MidAmerica St. Louis Airport is located in Mascoutah, Illinois, in the eastern portion of the St. Louis metropolitan area. MidAmerica is a Joint Use Airport partnering with Scott AFB, the home to US Transportation Command, a multi-service organization, and Air Mobility Command, the USAF's component command for airlift. MidAmerica and the 375th Air Mobility Wing operate Scott AFB/MidAmerica St. Louis Airport. The predominant air carrier serving MidAmerica is Allegiant Airlines (www.allegiant.com ). For more information, visit www.flymidamerica.com.