Gangneung Airbase (IATA: KAG, ICAO: RKNN) is an airbase holding the 18th fighter wing of the Republic of Korea Air Force. It is located in Gangneung, Gangwon-do. The airfield has one runway (8/26), and is ILS equipped on runway 23. In the past, this airfield also used to handle civilian air traffic. The passenger handling functions of this airfield were closed prior to the opening of Yangyang International Airport.