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
Allen Dulles nominee Thomas E. Dewey. The Dulles brothers and James Forrestal helped form the Office of Policy Coordination. During 1949 he co-authored the Dulles–Jackson–Correa Report, which was sharply critical of the Central Intelligence Agency, which had been established by the National Security Act of 1947. Partly as a result of the report, Truman named a new Director of Central Intelligence, Lieutenant General Walter Bedell Smith. DCI Smith recruited Dulles to oversee the agency's covert operations as Deputy Director for Plans, a position he held from January 4, 1951. On August 23, 1951, Dulles was promoted to Deputy Director of Central Intelligence,