 The issuance of Departmental orders fulfilling this section of the Act were delayed by the need to first resolve certain administrative issues.The orders were ultimately issued and, on March 13, 1947, Secretary of State George Marshall announced the establishment of the Foreign Service Institute.In 1947, the Foreign Service Institute opened in the Mayfair Building in the Foggy Bottom neighborhood of Washington, D.C. at 2115 C Street NW, a building that was subsequently razed for the new State Department headquarters.