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United States Marines were to relieve the British garrison in Iceland on the condition that all military forces be withdrawn from Iceland immediately upon the conclusion of the war in Europe.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
Athens International Airport Transavia France, TUIfly Belgium, Brussels Airlines, Aer Lingus, Air Transat and Scoot. Athens International Airport is the largest and busiest airport in Greece. By the end of 2017, it was the 27th busiest airport in Europe handling a total traffic of 21.74 million passengers. The table below shows passenger totals at Athens International Airport by country destination during 2017. A railway station is immediately adjacent to the airport terminal, accessible by an elevated walkway. Athens Metro line 3 and the suburban railway service Proastiakos run trains to and from this station. The airport is accessible by the Attiki Odos toll