Northern Virginia from the older National Airport (a focus city for American Airlines) are restricted for distance, frequency, and flight paths due to the proximity to federal facilities, Dulles is the region's second busiest airport in both passenger loadings and aircraft movements, and the sixteenth-busiest airport in the United States by takeoffs and landings in 2007. Dulles is the region's primary international gateway, serves as a hub for United Airlines, and has recently improved its low-cost carrier offerings with the addition of multiple flights by Southwest and JetBlue. Commuters are served by the Washington Metro subway and the Virginia Railway Express, a
John Foster Dulles Allen Dulles, served as the Director of Central Intelligence from 1953 to 1961. John Foster Dulles served on the War Industries Board during World War I and he was a U.S. legal counsel at the 1919 Paris Peace Conference. He became a member of the League of Free Nations Association, which supported American membership in the League of Nations. Dulles also helped design the Dawes Plan, which sought to stabilize Europe by reducing German war reparations. Dulles served as the chief foreign policy adviser to Thomas E. Dewey, the Republican presidential nominee in 1944 and 1948. He also helped draft