Question: Are both Bangor International Airport and MidAmerica St. Louis Airport located in the United States?

Context paragraphs:
MidAmerica St. Louis Airport: MidAmerica St. Louis Airport (IATA: BLV, ICAO: KBLV, FAA LID: BLV) is a public use airport co-located on the grounds of Scott Air Force Base.  It is located 14 nautical miles (16 mi, 26 km) east of the central business district of Belleville, in St. Clair County, Illinois, United States.

St. Louis Lambert International Airport: St. Louis Lambert International Airport (IATA: STL, ICAO: KSTL, FAA LID: STL) is an international airport serving Greater St. Louis, Missouri, United States.  It is 14 mi northwest of downtown St. Louis in unincorporated St. Louis County between Berkeley and Bridgeton.  Commonly named Lambert Field, it is the largest and busiest airport in Missouri with 270 daily departures to over 80 domestic and international locations.  In 2016, 13.9 million passengers traveled through the airport.  Lambert-St.  Louis serves as a hub for Air Choice One and Cape Air.  It is a focus city for Southwest Airlines, and was a former hub for Trans World Airlines and later for American Airlines.

Bangor Air National Guard Base: Bangor Air National Guard Base is a United States Air National Guard base.  Created in 1927 as the commercial Godfrey Field, the airfield was taken over by the U.S. Army just before World War II and renamed Godfrey Army Airfield and later Dow Army Airfield.  It became Dow Air Force Base in 1947, when the new U.S. Air Force took over many Army air assets.  In 1968, the base was sold to the city of Bangor, Maine, to become Bangor International Airport but has since continued to host Maine Air National Guard units.

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.  It is owned by St. Louis County and named after the famous "Spirit of St. Louis" aircraft.

GoJet Airlines: GoJet Airlines LLC is a company headquartered in Bridgeton, Missouri, United States.  Wholly owned by Trans States Holdings, it has 1670 employees.  It operates commuter feeder services under the United Express and Delta Connection names.  Go Jet Airlines has crew bases at Lambert-Saint Louis International Airport, O'Hare International Airport, Denver International Airport, and Raleigh-Durham International Airport.  Flights are currently operated out of United's hubs at O'Hare International Airport and Denver International Airport, as well as Lambert-Saint Louis International Airport.  GoJet's Delta Connection flights currently operate out of Lambert-Saint Louis International Airport , Detroit Metropolitan Airport and Raleigh-Durham International Airport.  Its call sign "Lindbergh" is named after aviation pioneer Charles Lindbergh, who flew the "Spirit of St. Louis" solo across the Atlantic Ocean in 1927, the first person to do so.

Bangor Transportation Center: The Bangor Transportation Center is a bus terminus in Bangor, Maine served by Concord Trailways.  It is located at 1039 Union Street, across the street from the Bangor International Airport.  Through ticketing is available from Amtrak's Boston North Station and Portland Station; Bangor's Amtrak code is BAN.

Bangor International Airport: Bangor International Airport (IATA: BGR, ICAO: KBGR, FAA LID: BGR) is a joint civil-military public airport on the west side of the city of Bangor, in Penobscot County, Maine, United States.  Owned and operated by the City of Bangor, the airport has a single runway measuring 11440 by .  Formerly a military installation known as Dow Air Force Base, Bangor International Airport remains home to the 101st Air Refueling Wing of the Maine Air National Guard, although most of the Air Force's aircraft and personnel left in the late 1960s.  BGR covers 2,079 acres (841 ha) of land.

St. Louis Downtown Airport: St. Louis Downtown Airport (IATA: CPS, ICAO: KCPS, FAA LID: CPS) is a public-use airport located in Greater St. Louis, one mile (2 km) east of the central business district of Cahokia, in St. Clair County, Illinois, United States.  It is owned by the Bi-State Development Agency.  The airport is located less than 3 miles from the Gateway Arch Riverfront and is used by many business aircraft visiting the St. Louis region.  Airport services include two full-service 24-hour fixed-base operators, an instrument landing system, an FAA air traffic control tower, and its own dedicated Index B aircraft rescue and firefighting (ARFF) service.

Bar Harbor Airlines Flight 1808: Bar Harbor Airlines Flight 1808 was a scheduled flight from Logan International Airport to Bangor International Airport in the United States on August 25, 1985.  On final approach to Auburn/Lewiston Municipal Airport, the Bar Harbor Airlines Beechcraft Model 99 crashed short of the runway, killing all six passengers and two crew on board.  Among the passengers was Samantha Smith, a thirteen-year-old American schoolgirl who had become famous as a "Goodwill Ambassador" to the Soviet Union and who had been cast on the television show "Lime Street".

Berger-Kiel House: The Berger-Kiel House is a log house located at 931 N. 6th St. in Mascoutah, Illinois.  The house was built circa 1863-64 for German immigrant Jacob Berger and his family.  The log house was built in a traditional manner using dovetail notching and has a hall and parlor layout.  A wooden frame addition was placed on the house circa 1868-72.  Log houses such as this one were popular among low-income families as an inexpensive house type in wooded rural areas.  The Berger-Kiel House is one of the few log houses remaining in the Mascoutah area.  While it was originally located at 8910 Illinois Route 4, it was moved to its current site during the construction of MidAmerica St. Louis Airport.

Supporting paragraphs: Bangor International Airport MidAmerica St. Louis Airport
Answer: yes