Question: Are both Bangor International Airport and MidAmerica St. Louis Airport located in the United States?
Sentence (from "Spirit of St. Louis Airport"): Spirit of St. Louis Airport (IATA: SUS, ICAO: KSUS, FAA LID: SUS) is a public airport located 17 miles (27 km) west of the central business district of St. Louis, in St. Louis County, Missouri, United States.
Relevant evidence: No