127. National Security Action Memorandum No. 3441


  • The Vice President
  • 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 Program

Under 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 [Page 231] 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
  1. Source: National Archives and Records Administration, RG 59, Records of the Department of State, Central Files, 1964–66, AV 3. No classification marking.