Washington Dulles International Airport passengers. Dulles was once assigned the airport code DIA, with each letter corresponding to the initials of Dulles International Airport. However, when handwritten, it was often misread as DCA, the code for nearby Ronald Reagan Washington National Airport. It was later revised to IAD to avoid confusion. The airport's terminal complex consists of a main terminal and two midfield terminal buildings: Concourses A/B and C/D. The entire terminal complex has 123 gates and 16 hardstand locations from which passengers can board or disembark using the airport's plane mate vehicles. Conceived in early planning sessions in 1959, Dulles is one of
John Foster Dulles whose foreign policy Dulles criticized. Dulles instead advocated a policy of "liberation". When Dwight D. Eisenhower became U.S. President in January 1953, Dulles was appointed and confirmed as his Secretary of State. As Secretary of State, Dulles still carried out the "containment" policy of neutralizing the Taiwan Strait during the Korean War, which had been established by President Truman in the Treaty of Peace with Japan of 1951. Dulles also supervised the completion of the Japanese Peace Treaty, in which full independence was restored to Japan under United States terms. As Secretary of State, Dulles concentrated on building up the