Naval Air Station Keflavik Iceland protested the invasion but asked the populace to treat the occupying force as guests. Following talks between British Prime Minister Winston S. Churchill and President Franklin D. Roosevelt of the United States, Iceland agreed to a tripartite treaty under which United States Marines were to relieve the British garrison in Iceland on the condition that all military forces be withdrawn from Iceland immediately upon the conclusion of the war in Europe. In addition to their defense role, U.S. forces constructed the Keflavik Airport as a refueling point for aircraft deliveries and cargo flights to Europe. With the end of
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