M-553 is a north–south state trunkline highway in the Upper Peninsula (UP) of the US state of Michigan.
 It connects M-35 near Gwinn with the Marquette Bypass, an expressway carrying US Highway 41 (US 41) and M-28 in Marquette.
 M-553 connects Marquette with Sawyer International Airport at the unincorporated community of K.I. Sawyer AFB, the former site of a US Air Force base, in the Sands Plains area of Marquette County.
 The intersection with CR 480 in Sands Township, known locally as the Crossroads, is the site of several businesses.
 North of this location, M-553 runs through some hilly terrain around a local ski hill.
Sawyer County Airport (IATA: HYR, ICAO: KHYR, FAA LID: HYR) is a county owned public use airport in Sawyer County, Wisconsin, United States.
 It is located two nautical miles (4 km) northeast of the central business district of Hayward, Wisconsin.
 It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local general aviation facility.
 It was formerly known as Hayward Municipal Airport.
Grand Marais/Cook County Airport (IATA: GRM, ICAO: KCKC, FAA LID: CKC) is a county owned public use airport located eight miles (13 km) northwest of the central business district of Grand Marais, a city in Cook County, Minnesota, United States.
 This airport replaced the former Devil's Track Municipal Airport (FAA: GRM) located on the shore of Devil's Track Lake, one mile (1.6 km) south of the current airport.
K. I. Sawyer Air Force Base is a decommissioned U.S. Air Force installation in Marquette County, Michigan, south of the city of Marquette.
 Near the center of Michigan's Upper Peninsula, the base operated for nearly forty years and closed in 1995.
 The county airport, Sawyer International, now occupies a portion of the base and has scheduled airline flights and some general aviation activity.
 The area of the former base is now an unincorporated community and a census-designated place for statistical purposes known as K. I. Sawyer AFB
Edward F Johnson Airport (FAA LID: M61) is a privately owned public use airport 10 mi south of the central business district of Ishpeming, a city in Marquette County, Michigan, United States.
Nestled in the foothills of the Appalachian Mountains, Burton is an unincorporated community in Wetzel County, West Virginia, United States, located on a stretch of highway where both WV Route 7 and US Route 250 join for a few short miles between Cottontown, WV, and Hundred, WV.
 These 2 roads are responsible for the majority of traffic to and from the area and provide important connections to New Martinsville, WV to the West (approximately 45 minutes by car); Fairmont, WV to the Southeast (approx. 45 minutes); Morgantown, WV, to the West (approx. 60 minutes); and Moundsville, WV, to the Northeast (approx. 70 minutes).
 Other important connections include WV Route 69 North into Pennsylvania, where it turns into PA Route 18 and leads towards Waynesburg, PA (approx 45 minutes) and beyond to Pittsburgh, PA (approx 90-120 mins, traffic dependent).
 Pittsburgh International Airport, is the nearest intercontinental airport, while Burton is also served by a smaller regional airport, Morgantown Municipal Airport.
Shawano Municipal Airport (ICAO: KEZS) is a city and county owned public use airport located one nautical mile (2 km) northeast of the central business district of Shawano, a city in Shawano County, Wisconsin, United States.
 It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local general aviation facility.
 The airport is located on Shawano Lake and has a landing area for seaplanes.
Morgantown Municipal Airport (IATA: MGW, ICAO: KMGW, FAA LID: MGW) is a city owned, public use airport located three nautical miles (4 mi, 6  km) east of the central business district of Morgantown, a city in Monongalia County, West Virginia, United States.
 The airport is also known as Walter L. Bill Hart Field.
 It is mostly used for general aviation, but is also served by one commercial airline with scheduled passenger service subsidized by the Essential Air Service program.
Sawyer International Airport (IATA: MQT, ICAO: KSAW, FAA LID: SAW) is a county owned public use airport in Marquette County, Michigan, United States.
 It is located 17 nmi south of the central business district of the city of Marquette.
 It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non-hub primary commercial service facility.
Marquette County Airport (IATA: MQT, ICAO: KMQT, FAA LID: MQT) is a former airport in Negaunee, Michigan.
 After the closure of the nearby K.I. Sawyer Air Force Base, the airport was closed and facilities were transferred to Sawyer International Airport.

Question: What is a county owned public use airport in Marquette County, Michigan, United States,  Morgantown Municipal Airport or Sawyer International Airport ?
Answer: Sawyer International Airport