51 - 1 General (§ 10101) 1 - 1 - 1 DEFINITIONS (§ 10101)

51 - 2 General Program and Policy Provisions (§§ 20101 to 20305) 1 - 1 - 1 NATIONAL AERONAUTICS AND SPACE PROGRAM (§§ 20101 to 20164) 1 - 1 - 2 RESPONSIBILITIES AND VISION (§§ 20301 to 20305)

51 - 3 Administrative Provisions (§§ 30101 to 31505) 1 - 1 - 1 APPROPRIATIONS, BUDGETS, AND ACCOUNTING (§§ 30101 to 30104) 1 - 1 - 2 CONTRACTING AND PROCUREMENT (§§ 30301 to 30310) 1 - 1 - 3 MANAGEMENT AND REVIEW (§§ 30501 to 30504) 1 - 1 - 4 INTERNATIONAL COOPERATION AND COMPETITION (§§ 30701 to 30704) 1 - 1 - 5 AWARDS (§§ 30901 to 30902) 1 - 1 - 6 SAFETY (§§ 31101 to 31102) 1 - 1 - 7 HEALTHCARE (§§ 31301 to 31302) 1 - 1 - 8 MISCELLANEOUS (§§ 31501 to 31505)

51 - 4 Aeronautics and Space Research and Education (§§ 40101 to 40909) 1 - 1 - 1 AERONAUTICS (§§ 40101 to 40141) 1 - 1 - 2  NATIONAL SPACE GRANT COLLEGE AND FELLOWSHIP PROGRAM (§§ 40301 to 40311) 1 - 1 - 3 BIOMEDICAL RESEARCH IN SPACE (§§ 40501 to 40505) 1 - 1 - 4 ENVIRONMENTALLY FRIENDLY AIRCRAFT (§§ 40701 to 40704) 1 - 1 - 5  MISCELLANEOUS

51 - 5 Programs Targeting Commercial Opportunities (§§ 50101 to 51303) 1 - 1 - 1 SPACE COMMERCE (§§ 50101 to 50134) 1 - 1 - 2  COMMERCIAL REUSABLE IN-SPACE TRANSPORTATION (§§ 50301 to 50302) 1 - 1 - 3  COMMERCIAL SPACE COMPETITIVENESS (§§ 50501 to 50506) 1 - 1 - 4 OFFICE OF SPACE COMMERCE (§§ 50701 to 50703) 1 - 1 - 5 COMMERCIAL SPACE LAUNCH ACTIVITIES (§§ 50901 to 50923) 1 - 1 - 6 SPACE TRANSPORTATION INFRASTRUCTURE MATCHING GRANTS (§§ 51101 to 51105) 1 - 1 - 7 SPACE RESOURCE COMMERCIAL EXPLORATION AND UTILIZATION (§§ 51301 to 51303)

51 - 6 Earth Observations (§§ 60101 to 60506) 1 - 1 - 1 LAND REMOTE SENSING POLICY (§§ 60101 to 60162) 1 - 1 - 2 REMOTE SENSING (§§ 60301 to 60306) 1 - 1 - 3  EARTH SCIENCE (§§ 60501 to 60506)

51 - 7  Access to Space (§§ 70101 to 71302) 1 - 1 - 1  USE OF SPACE LAUNCH SYSTEM OR ALTERNATIVES (§§ 70101 to 70104) 1 - 1 - 2 EXPLORATION INITIATIVES (§§ 70501 to 70508) 1 - 1 - 3 HUMAN SPACE FLIGHT INDEPENDENT INVESTIGATION COMMISSION (§§ 70701 to 70710) 1 - 1 - 4  INTERNATIONAL SPACE STATION (§§ 70901 to 70907) 1 - 1 - 5  NEAR-EARTH OBJECTS (§§ 71101 to 71104) 1 - 1 - 6 COOPERATION FOR SAFETY AMONG SPACEFARING NATIONS (§§ 71301 to 71302) Repealed Mar. 21, 2017,