RAAF Base Williamtown (IATA: NTL, ICAO: YWLM) is a Royal Australian Air Force base and headquarters to Australia's Air Combat Group. The base is located 8 nautical miles (15 km; 9.2 mi) north of the coastal city of Newcastle, New South Wales (27 km (17 mi) by road) in the local government area (LGA) of Port Stephens. The military base shares its runway facilities with Newcastle Airport.