Schenectady County Airport (IATA: SCH, ICAO: KSCH) is a public-use airport situated three nautical miles north of Schenectady, New York. Founded in 1927, it is owned by Schenectady County and is categorized as a reliever airport. The airport's military section is designated as Stratton Air National Guard Base, named in honor of US Representative Sam Stratton. This base has been the home of the 109th Airlift Wing of the New York Air National Guard since 1949, operating under various designations. The 109th Airlift Wing is unique among USAF units for its fleet of 10 ski-equipped LC-130 Hercules aircraft, which provide the nation's sole air cargo lift capability to polar regions. Since 1971, the wing has played a role in supporting the National Science Foundation's research expeditions at both the North and South Poles. The airport covers 680 acres at an elevation of 115 meters (378 feet) above mean sea level. It features two asphalt paved runways: 4/22, measuring 2,134 meters (7,001 feet), and 10/28, measuring 1,478 meters (4,850 feet). In the 12-month period ending September 30, 2019, the airport recorded 48,996 aircraft operations, with 8% being military flights. As of that period, 81 aircraft were based at the airport.