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Directive ID Subject Expiration Date
NPR 8000.4C Agency Risk Management Procedural Requirements April 19, 2027
NPD 8010.3B Notification of Intent to Decommission or Terminate Operating Space Systems and Terminate Missions (Revalidated w/Change 2) June 14, 2024
NPD 8074.1 Management and Utilization of NASA's Space Communication and Navigation Infrastructure - Revalidated 7/01/21 August 11, 2026
NPD 8500.1C NASA Environmental Management (Revalidated w/Change 2, on October 29, 2018) December 2, 2023
NPR 8510.1A NASA Cultural Resources Management September 15, 2023
NPR 8530.1B NASA Sustainable Acquisition August 29, 2023
NPR 8553.1C NASA Environmental Management System July 20, 2025
NPR 8570.1B NASA Energy and Water Management Program August 31, 2025
NPR 8580.1A Implementing the National Environmental Policy Act and Executive Order 12114 (Revalidated with Change 1 on 9/6/2017) August 1, 2023
NPR 8590.1A Environmental Compliance and Restoration Program (Revalidated on April 5, 2016 with Change 1) July 18, 2023
NPD 8600.1 Capability Portfolio Management November 30, 2023
NPR 8600.1 NASA Capability Portfolio Management Requirements April 22, 2024
NPD 8610.12H Orbital Space Transportation Services (Revalidated with change 1) September 23, 2024
NPD 8610.23C Launch Vehicle Technical Oversight Policy (Revalidated 4/12/17) December 18, 2022
NPD 8610.24C Launch Services Program Pre-Launch Readiness Reviews-Revalidated December 17, 2020 May 12, 2025
NPD 8610.6H Graphic Markings on Space Vehicles, Equipment, and Hardware September 20, 2026
NPD 8610.7D Launch Services Risk Mitigation Policy for NASA-Owned and/or NASA-Sponsored Payloads/Missions - Revalidated w/Change 2 (03/29/2018) January 31, 2023
NPR 8621.1D NASA Procedural Requirements for Mishap and Close Call Reporting, Investigating, and Recordkeeping (updated w/Change 2) July 6, 2025
NPD 8700.1F NASA Policy for Safety and Mission Success July 28, 2027
NPR 8705.2C Human-Rating Requirements for Space Systems July 10, 2024
NPR 8705.4A Risk Classification for NASA Payloads April 29, 2026
NPR 8705.5A Technical Probabilistic Risk Assessment (PRA) Procedures for Safety and Mission Success for NASA Programs and Projects (Rev. w./Change 1) December 7, 2022
NPR 8705.6D Safety and Mission Assurance (SMA) Audits, Reviews, and Assessments March 29, 2024
NPD 8710.1D Emergency Management Program (Revalidated September 13, 2016) November 8, 2023
NPR 8715.1B NASA Safety and Health Programs February 1, 2026
NPR 8715.24 Planetary Protection Provisions for Robotic Extraterrestrial Missions September 24, 2026
NPR 8715.26 Nuclear Flight Safety February 3, 2027
NPR 8715.2B NASA Emergency Management Program Procedural Requirements June 19, 2023
NPR 8715.3D NASA General Safety Program Requirements December 21, 2026
NPR 8715.5B Range Flight Safety Program February 2, 2023
NPR 8715.6B NASA Procedural Requirements for Limiting Orbital Debris and Evaluating the Meteoroid and Orbital Debris Environments February 16, 2024
NPR 8715.7B Payload Safety Program April 27, 2025
NPR 8735.1D Exchange of Problem Data Using NASA Advisories and the Government-Industry Data Exchange Program (GIDEP) July 29, 2023
NPR 8735.2C Hardware Quality Assurance Program Requirements for Programs and Projects (Updated w/Change 1) March 12, 2026
NPD 8740.1 Notification and Communications Regarding Potential Near-Earth Object Threats (Revalidated with Change 1) January 27, 2027
NPD 8800.14E Policy for Real Estate Management June 21, 2023
NPR 8800.15C Real Estate Management Program w/Change 1, February 24, 2015 June 30, 2022
NPR 8810.1A Center Master Planning November 23, 2023
NPD 8810.2A Master Planning for Real Property (Revalidated w/Change 1 on February 20, 2015) November 23, 2023
NPD 8820.2E Design and Construction of Facilities July 15, 2024
NPR 8820.2H Facility Project Requirements (FPR)) September 27, 2027
NPD 8831.1E Maintenance and Operations of Institutional and Program Facilities and Related Equipment (Revalidated June 17, 2013 w/Change 1) June 30, 2023
NPR 8831.2F Facilities Maintenance and Operations Management (Updated w/Change 1 on September 2, 2016) June 30, 2023
NPD 8900.15 To Research, Evaluate, Assess, and Treat (TREAT) Astronauts Policy May 13, 2026
NPR 8900.1B NASA Health and Medical Requirements for Human Space Exploration November 16, 2023
NPD 8900.1G MEDICAL OPERATIONS RESPONSIBILITIES IN SUPPORT OF HUMAN SPACE FLIGHT PROGRAMS (Revalidated with change 2 dated 8/25/17) November 30, 2023
NPD 8900.3H Astronaut Medical and Dental Observation Study and Care Program, Revalidated with Change 2 November 16, 2023
NPD 8900.4D NASA Use of Global Positioning System Precise Positioning Service (Revalidated 2/08/22) April 27, 2027
NPD 8900.5B NASA Health and Medical Policy for Human Space Exploration (Revalidated 3/28/17) November 22, 2023
NPD 8910.1D Care and Use of Animals January 20, 2027
NPR 8910.1D Care and Use of Animals February 9, 2027


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