NASA Supports America’s National Strategy for Space Nuclear Power and Propulsion

Illustration of a Mars transit habitat and nuclear propulsion system that could one day take astronauts to Mars. (Credits: NASA)

WASHINGTON (NASA PR) — President Donald Trump has issued a new Space Policy Directive that will help propel NASA and humanity’s next giant leap – creating a sustainable presence on the Moon and sending astronauts to Mars.

The president issued Space Policy Directive-6 (SPD-6), the Nation’s Strategy for Space Nuclear Power and Propulsion (SNPP), Wednesday, Dec. 16. Space nuclear systems power spacecraft for missions where alternative power sources are inadequate, such as environments that are too dark for solar power or too far away to carry sufficient quantities of chemical fuels.

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Memorandum on the National Strategy for Space Nuclear Power and Propulsion (Space Policy Directive-6)

Illustration of a Mars transit habitat and nuclear propulsion system that could one day take astronauts to Mars. (Credits: NASA)

Space Policy Directive-6

MEMORANDUM FOR THE VICE PRESIDENT
THE SECRETARY OF STATE
THE SECRETARY OF DEFENSE
THE SECRETARY OF COMMERCE
THE SECRETARY OF TRANSPORTATION
THE SECRETARY OF ENERGY
THE DIRECTOR OF THE OFFICE OF MANAGEMENT
AND BUDGET
THE ASSISTANT TO THE PRESIDENT FOR NATIONAL
SECURITY AFFAIRS
THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS
AND SPACE ADMINISTRATION
THE CHAIRMAN OF THE NUCLEAR REGULATORY COMMISSION
THE DIRECTOR OF THE OFFICE OF SCIENCE AND
TECHNOLOGY POLICY

SUBJECT: National Strategy for Space Nuclear Power
and Propulsion

Section 1. Policy. The ability to use space nuclear power and propulsion (SNPP) systems safely, securely, and sustainably is vital to maintaining and advancing United States dominance and strategic leadership in space. SNPP systems include radioisotope power systems (RPSs) and fission reactors used for power or propulsion in spacecraft, rovers, and other surface elements. SNPP systems can allow operation of such elements in environments in which solar and chemical power are inadequate. They can produce more power at lower mass and volume compared to other energy sources, thereby enabling persistent presence and operations. SNPP systems also can shorten transit times for crewed and robotic spacecraft, thereby reducing radiation exposure in harsh space environments.

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