Washington Dulles International Airport Rosslyn Metro station in Arlington and terminates at the L'Enfant Plaza Metro station in Southwest DC. Rosslyn can be accessed by the Orange, Blue, and Silver lines, while L'Enfant Plaza is also served by the Yellow and Green lines. Washington Flyer's Silver Line Express bus service operates roughly every 15–20 minutes between the airport and the Wiehle – Reston East Metro station. This service will be permanently discontinued when Phase II of the Silver Line opens in 2020. Passengers connecting to the Shenandoah Valley can use the Shenandoah Valley Commuter Bus, which connects to the Vienna and Rosslyn Metro stations.
John Foster Dulles encouraged Nicaragua's dictator, Emianiano Camorro, to issue a proclamation suspending diplomatic relations with Germany. In Panama, Dulles offered waiver of the tax imposed by the United States on the annual Canal fee, in exchange for a Panamanian declaration of war on Germany. In 1918, President Woodrow Wilson appointed Dulles as legal counsel to the United States delegation to the Versailles Peace Conference where he served under his uncle, Secretary of State Robert Lansing. Dulles made an early impression as a junior diplomat. While some recollections indicate he clearly and forcefully argued against imposing crushing reparations on Germany, other recollections indicate