Question: Are Cheyenne Regional Airport and Phoenix–Mesa Gateway Airport both located in the US?
Context: Cheyenne Regional Airport (IATA: CYS, ICAO: KCYS, FAA LID: CYS) (Jerry Olson Field) is a civil-military airport a mile north of downtown Cheyenne, in Laramie County, Wyoming.  The Cheyenne Regional Airport Board owns it. Ozark Air Lines Flight 650 was a regularly scheduled flight from Sioux Gateway Airport in Sioux City, Iowa, to Sioux Falls Regional Airport in Sioux Falls, South Dakota.  While landing on runway 3 in a snow storm on December 20, 1983, it struck a snow plow on the runway.  The impact ripped the right wing from the plane destroying the snow plow and killing its driver.  The leaking fuel from the wing briefly created a fireball that engulfed the airplane.  The plane spun through 180° before coming to rest off the runway to the left of the center line.  Passenger evacuation was initiated through the front two doors.  No passengers were injured in the evacuation but two flight attendants suffered minor injuries. Ballina Byron Gateway Airport (IATA: BNK, ICAO: YBNA) is a small regional airport located at Ballina, New South Wales, Australia.  It is owned and operated by Ballina Shire Council. Jessica Whitney Dubroff (May 5, 1988 – April 11, 1996) was a seven-year-old girl who died while attempting to become the youngest person to fly a light utility aircraft across the United States.  On day-two of her quest, the Cessna 177B Cardinal single engine propeller aircraft, piloted by her flight instructor, crashed during a rainstorm immediately after takeoff from Cheyenne Regional Airport in Cheyenne, Wyoming, killing Dubroff, her 57-year-old father, and her flight instructor. Cheyenne Regional Medical Center (CRMC) is a hospital located in Cheyenne, Wyoming, USA.  CRMC is divided into three campuses. Provo Municipal Airport (IATA: PVU, ICAO: KPVU, FAA LID: PVU) is a public airport two miles (3 km) west of Provo, in Utah County, Utah.  The airport hosts Allegiant Air flights to four airports, one in Arizona and three in California - Phoenix/Mesa Gateway Airport, Los Angeles International Airport, San Diego International Airport and Oakland International Airport.  It is the second busiest public airport in Utah by aircraft movements, with 172,000 aircraft operations in the year ending May 2007. Kissimmee Gateway Airport (IATA: ISM, ICAO: KISM, FAA LID: ISM) , formerly known as Kissimmee Municipal Airport, is a public airport in Kissimmee, a city in Osceola County, Florida, United States.  The airport is located 16 nautical miles (30 km) southwest of the central business district of Orlando.  It is owned and operated by the City of Kissimmee. Lake City Gateway Airport (IATA: LCQ, ICAO: KLCQ, FAA LID: LCQ) is a city owned, public use airport located three nautical miles (6 km) east of the central business district of Lake City, in Columbia County, Florida, United States.  Formerly known as Lake City Municipal Airport, it is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a "general aviation" facility. Grand Junction Regional Airport (IATA: KGJT, ICAO: GJT) is a public airport three miles northeast of Grand Junction, in Mesa County, Colorado.  Owned by the Grand Junction Regional Airport Authority, it is the largest airport in western Colorado and third largest in the state, behind Denver International Airport and Colorado Springs 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.  The airport is owned and operated by the Phoenix–Mesa Gateway Airport Authority, and is a reliever airport for Phoenix Sky Harbor International Airport.  It is a base for Allegiant Air.  The airport authority is governed by a six-member board: the mayors and tribal governor of the town of Gilbert, city of Mesa, town of Queen Creek, Gila River Indian Community, city of Phoenix, and the city of Apache Junction.
Answer: yes