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
Dulles' Plan Dulles' Plan The Dulles' plan or the Dulles Doctrine () is the central document of a conspiracy theory, according to which the CIA chief Allen Dulles had developed a plan for the United States to destroy the Soviet Union during the Cold War by secretly corrupting the cultural heritage and moral values of the Soviet nation. The plan was first published in Russia shortly after the dissolution of the USSR and was often quoted by prominent Russian politicians, journalists, and writers. The text originates from a work of fiction, a 1971 novel "The Eternal Call" (), by Anatoly Ivanov, where