Gardermoen Air Station (IATA: OSL, ICAO: ENGM) (Norwegian: Gardermoen flystasjon) is located about 50 km north of Oslo, Norway. It is the location for the 135th Airwing and the 335 Squadron of the Royal Norwegian Air Force, which currently operates four of the originally five (see: 2012 Norwegian C-130 crash) recently procured C-130J-30 Super Hercules transport aircraft. In addition, the airfield is designed to handle the complex logistics of the air force, and is one of the most advanced C-130 installations in Europe.