Hellenikon Air Base Hellenikon Air Base Hellenikon Air Base is a decommissioned United States Air Force base located in Athens, Greece. After its closure, it was redeveloped into Ellinikon International Airport. The airport was built in 1938, and after the German invasion of Greece in 1941, Kalamaki Airfield was used as a Luftwaffe air base during the occupation. Following the end of World War II, the Greek government allowed the United States to use the airport from 1945 until 1993. Known as Hassani Airport in 1945, it was used by the United States Army Air Forces as early as 1 October 1945, as
Chinggis Khaan International Airport Chinggis Khaan International Airport Chinggis Khaan International Airport (, "Çingis hán olon ulsîn niseh búdal", ) is the international airport serving Ulaanbaatar, Mongolia, situated southwest of the capital. It is the largest international air facility in the country. The airport was first established as "Buyant-Ukhaa airport" (, "Buyant-Uhá niseh onğocnî töw búdal") on 19 February 1957. In 1958, international flights began with flights to Irkutsk and Beijing using Ilyushin Il-14 aircraft. Regular flights from the airport started in 1961. The terminal was upgraded to make it suitable for international traffic in 1986. Between 1994 and 1997 a further major upgrade