NASA
Nuclear module work moves ahead for NASA’s SR-1 Freedom
NASA reports progress on the nuclear power module for Space Reactor-1 (SR-1) Freedom, which is intended for Mars and destinations beyond. Unveiled during NASA’s “Ignition” event, the mission will demonstrate nuclear electric propulsion in deep space. The spacecraft is planned to be humanity’s first to travel beyond Earth’s orbit using fission power.

What to know
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SR-1 Freedom is planned as humanity’s first fission-powered spacecraft to journey beyond Earth’s orbit.
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The nuclear power module is a key spacecraft component, and its development is progressing.
Why it matters
As a key spacecraft component, the nuclear power module’s development is directly relevant to the planned deep-space demonstration of nuclear electric propulsion.
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