Keflavik Air Station and shadow all Soviet aircraft in transit in and from the GIUK gap which passed through the detection range of its radars and relay to the NAS Keflavik Radar Operations Control Center (ROCC). Keflavik Air Station was decommissioned on 28 June 2006. The radar was replaced by a civilian ARSR radar and is now used for air traffic control. Keflavik Air Station Keflavik Air Station (NATO ID: H-1A) is a now-closed United States Air Force General Surveillance Radar station. It is located north-northwest of Naval Air Station Keflavik, Iceland. It was closed on 28 June 2006 as part of the
El Alto International Airport the three biggest airports in the country: El Alto International Airport, Jorge Wilstermann International Airport and Viru Viru International Airport through its subsidiary Servicio de Aeropuertos Bolivianos S.A. (SABSA). In 1999 Airport Group International was purchased by TBI plc. In 2004, the company was acquired by the Spanish conglomerate Abertis, hence taking ownership of SABSA. In February 2013, the Government of Bolivia announced the nationalization of SABSA, taking full ownership and operations of Bolivia's main international gateways. El Alto International Airport El Alto International Airport () is an international airport located in the city of El Alto, Bolivia, west of