Washington Dulles International Airport 1980s the original design, featuring mobile lounges to meet each plane, was no longer well-suited to Dulles' role as a hub airport. Instead, midfield concourses were added to allow passengers to walk between connecting flights without visiting the main terminal. Mobile lounges were still used for international flights and to transport passengers between the midfield concourses and the main terminal. An underground tunnel (consisting of a passenger walkway and moving sidewalks) which links the main terminal and Concourse B was opened in 2004. The Metropolitan Washington Airports Authority (MWAA) began a renovation program for the airport including a new security
Allen Dulles New York firm where his brother, John Foster Dulles, was a partner. He became a director of the Council on Foreign Relations in 1927, the first new director since the Council's founding in 1921. He was the Council's secretary from 1933 to 1944. During the late 1920s and early 1930s, he served as legal adviser to the delegations on arms limitation at the League of Nations. There he had the opportunity to meet with Adolf Hitler, Benito Mussolini, Soviet Foreign Minister Maxim Litvinov, and the leaders of Britain and France. In 1935 Dulles returned from a business trip to Germany