Question: Are both Modesto City–County Airport and St. Mary's Airport located in the United States?
Sentence (from "St. Mary's Airport (Alaska)"): St. Mary's Airport (IATA: KSM, ICAO: PASM, FAA LID: KSM) is a public airport located four miles (6 km) west of the central business district of St. Mary's, in the Kusilvak Census Area of the U.S. state of Alaska.
Relevant evidence: Yes