Hellenikon Air Base Cyprus (1975), Ethiopia (1977), and Iran (1979, 1981). The American base was renamed Hellenikon Air Base on 25 February 1976, and also provided administrative and logistical support to U.S. units and organizations in Greece, the Middle East, Eastern Mediterranean, and parts of Africa. With the end of the Cold War, it was agreed to end the USAF presence at the airport and the United States closed its facilities in 1993. In 1963, the Finnish star architect Eero Saarinen designed the East Terminal building. Prior to closing its passenger service, the airport was serving 12 million passengers per year. Hellenikon Air
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