Question: Are Cheyenne Regional Airport and Phoenix–Mesa Gateway Airport both located in the US?
Sentence (from "Phoenix–Mesa Gateway Airport"): Phoenix–Mesa Gateway Airport (IATA: AZA, ICAO: KIWA, FAA LID: IWA) , formerly Williams Gateway Airport (1994–2008) and Williams Air Force Base (1941–1993), is in the southeastern area of Mesa, Arizona, and 20 mi southeast of Phoenix, in Maricopa County, Arizona.
Relevant evidence: Yes