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 the Soviet Union to gain influence in Egypt, as it forced Nasser to turn to the Soviets for weapons. Dulles served as the Chairman and Co-founder of the Commission on a Just and Durable Peace of the Federal Council of Churches of Christ in America (later the National Council of Churches), the Chairman of the Board for the Carnegie Endowment for International Peace, and a Trustee of the Rockefeller Foundation from 1935 to 1952. Dulles was also a founding member of Foreign Policy Association and Council of Foreign Relations. Dulles developed colon cancer, for which he was first operated on