Southern Wisconsin Regional Airport is a public airport located 3NM southwest of the central business district of Janesville and north of Beloit in Rock County, Wisconsin, United States. Formerly known as Rock County Airport, it is owned and operated by the Rock County government. The airport has no scheduled commercial passenger service.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 regional general aviation facility.Southern Wisconsin Regional Airport was home to the annual "Southern Wisconsin AirFEST", an event that featured aviation performing groups, such as the Blue Angels, the Thunderbirds and the Masters of Disaster.HistorySeveral Rock County farms provided land for contract glider pilot training to the United States Army Air Forces in 1942. Training was provided by Morey Airplane Company using three turf runway locations in three township sections. C-47 Skytrains and Waco CG-4 unpowered Gliders were not used. The production CG-4A gliders were not delivered until after these northern civilian schools were closed. Aircraft furnished by the Army were single engine L type Cessna, Aeronca and Piper. There were no gliders and there was no glider towing. These schools became known as dead stick training.