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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 3) July 2, 2025
NPD 8074.1 Management and Utilization of NASA's Space Communication and Navigation Infrastructure - Revalidated 7/01/21 August 11, 2026
NPR 8079.1 NASA Spacecraft Conjunction Analysis and Collision Avoidance for Space Environment Protection June 27, 2028
NPD 8500.1C NASA Environmental Management (Revalidated w/Change 2, on October 29, 2018) December 2, 2025
NPR 8510.1A NASA Cultural Resources Management September 15, 2025
NPR 8530.1B NASA Sustainable Acquisition August 29, 2025
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, 2025
NPR 8590.1A Environmental Compliance and Restoration Program (Revalidated on April 5, 2016 with Change 1) July 18, 2025
NPD 8600.1 Capability Portfolio Management December 31, 2024
NPR 8600.1 NASA Capability Portfolio Management Requirements February 28, 2025
NPD 8610.12H Orbital Space Transportation Services (Revalidated with Change 2) February 12, 2029
NPD 8610.23C Launch Vehicle Technical Oversight Policy (Revalidated 6/09/23) August 18, 2028
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 3 May 15, 2028
NPR 8621.1D NASA Procedural Requirements for Mishap and Close Call Reporting, Investigating, and Recordkeeping (updated w/Change 4) 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 (Updated w/Change 2) July 10, 2025
NPR 8705.4A Risk Classification for NASA Payloads April 29, 2026
NPR 8705.6D Safety and Mission Assurance (SMA) Audits, Reviews, and Assessments December 29, 2024
NPD 8710.1E Emergency Management Program February 1, 2029
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 February 19, 2025
NPR 8715.3E Requesting Relief from Agency Mission Assurance Requirements December 21, 2026
NPR 8715.5B Range Flight Safety Program August 23, 2024
NPR 8715.6E Orbital Debris Mitigation April 18, 2029
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, 2025
NPR 8735.2C Hardware Quality Assurance Program Requirements for Programs and Projects (Updated w/Change 2) 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 September 7, 2024
NPR 8800.15C Real Estate Management Program w/Change 2, December 20, 2022 October 7, 2024
NPR 8810.1A Center Master Planning March 31, 2025
NPD 8810.2A Master Planning for Real Property (Revalidated w/Change 1 on February 20, 2015) March 31, 2025
NPD 8820.2E Design and Construction of Facilities July 15, 2025
NPR 8820.2H Facility Project Requirements (FPR) (Updated w/Change 1) September 27, 2027
NPD 8831.1E Maintenance and Operations of Institutional and Program Facilities and Related Equipment (Revalidated June 17, 2013 w/Change 1) September 6, 2025
NPR 8831.2F Facilities Maintenance and Operations Management (Updated w/Change 1 on September 2, 2016) October 6, 2025
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 September 8, 2025
NPD 8900.1G MEDICAL OPERATIONS RESPONSIBILITIES IN SUPPORT OF HUMAN SPACE FLIGHT PROGRAMS (Revalidated with change 2 dated 8/25/17) September 8, 2025
NPD 8900.3H Astronaut Medical and Dental Observation Study and Care Program, Revalidated with Change 3 September 8, 2025
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) September 8, 2025
NPD 8910.1D Care and Use of Animals January 20, 2027
NPR 8910.1D Care and Use of Animals February 9, 2027