Aeronautics- and Space-Related Presidential Directives

      Notes:  Presidential Directives remain in effect until superseded by subsequent policy or law.  This list focuses on civil policies, not those of a predominantly military nature.   In some cases, especially if policy is classified, only a press release and/or fact sheet, or NO DOCUMENT may be available.

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National Security Presidential Directives (NSPD) -- G.W. Bush (2001-present)

Presidential Review Directives (PRD); Presidential Decision Directives/National Science and Technology Council (NSTC) -- Clinton (1993-2000)

 - National Security Council (NSC)

-  Presidential Review Directives (PRD) - Presidential Decision Directives (PDD) PDD NSPD-1:  National Space Policy (11/2/89)
  • PDD NSPD-2:  Commercial Space Launch Policy  (9/5/90)
  • PDD NSPD-3:  U. S. Commercial Space Policy Guidelines  (2/11/91)
  • PDD NSPD-4:  National Space Launch Strategy  (7/10/91)
  • PDD NSPD-5:  Landsat Remote Sensing Strategy  (2/5/92)
  • PDD NSPD-6:  Space Exploration Initiative  (3/9/92)
  • PDD NSPD-7:  Space-Based Global Change Observation  (6/5/92)

  • National Security Study Directives (NSSD)/National Security Decision Directives (NSDD) -- Reagan (1981- 1989)

     - National Security Study Directives (NSSD)

     - National Security Decision Directives (NSDD) Presidential Review Memorandums (PRM); Presidential Directives (PD) --Carter (1977-1981) National Security Study Memorandums (NSSM); National Security Decision Memorandums (NSDM) --Nixon, Ford (1969-1977) National Security Action Memorandums (NSAM) -- Kennedy, Johnson (1961-1969) National Security Council (NSC) -- Truman, Eisenhower (1947 -- 1961)