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
Allen Dulles gave him reports on developments in Germany, including sketchy but accurate warnings of plans for Hitler's V-1 and V-2 missiles. Dulles was involved in Operation Sunrise, secret negotiations in March 1945 to arrange a local surrender of German forces in northern Italy. After the war in Europe, Dulles served for six months as the OSS Berlin station chief and later as station chief in Bern. The Office of Strategic Services was dissolved in October 1945 and its functions transferred to the State and War Departments. In the 1948 Presidential election, Dulles was, together with his brother, an advisor to Republican