THE WHITE HOUSENATIONAL SECURITY ACTION MEMORANDUM NO. 344
April 1, 1966
The Vice PresidentSUBJECT
The Secretary of Defense
The Secretary of Commerce
Administrator, Federal Aviation Agency
Director, Bureau of the Budget
Director, Office of Emergency Planning
Assignment of Highest National Priority to the Civil Supersonic Development ProgramUnder the authority vested in me by the Defense Production Act of 1950, I hereby assign the highest national priority to the Civil Supersonic Transport Development Program for research and development and for construction of two prototype aircraft, in accordance with the unanimous recommendation of the Members of the National Aeronautics and Space Council.
Lyndon B. Johnson
Source: National Archives and Records Administration, RG 59, Records of the Department of State, Central Files, 1964-66, AV 3. No classification marking.