This Space Policy Directive establishes implementation actions and guidance for United States space-based positioning, navigation, and timing (PNT) programs and activities for United States national and homeland security, civil, commercial, and scientific purposes. This policy complements the guidance set forth in Executive Order 13905 of February 12, 2020 (Strengthening National Resilience through Responsible Use of Positioning, Navigation, and Timing Services), and the intersector guidance for Global Navigation Satellite Systems (GNSS) included in the December 9, 2020, National Space Policy. This policy supersedes National Security Presidential Directive-39 (NSPD-39) of December 15, 2004 (United States Space-Based Positioning, Navigation, and Timing Policy).
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Memorandum for the Vice President[,] the Secretary of State[,] the Secretary of Defense[,] the Attorney General[,] the Secretary of the Interior[,] th...
For decades, the United States has effectively reaped the benefits of operating in space to enhance our national security, civil, and commercial secto...
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United States Department of Transportation
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