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NASA’s SR-1 Freedom Advances with Progress on Nuclear Power Module

Published October 20, 2026 2:11 pm • Updated October 20, 2026 2:11 pm •
NASA’s SR-1 Freedom Advances with Progress on Nuclear Power Module
Photo via NASA

Destined for Mars and beyond, NASA’s Space Reactor-1 (SR-1) Freedom will be humanity’s first fission-powered spacecraft to travel outside Earth’s orbit. Announced during NASA’s “Ignition” event, this mission will demonstrate nuclear electric propulsion in deep space, and progress is underway on its key element: the nuclear power module. To expedite development of the spacecraft, NASA […]

Destined for Mars and beyond, NASA’s Space Reactor-1 (SR-1) Freedom will be humanity’s first fission-powered spacecraft to travel outside Earth’s orbit. Announced during NASA’s “Ignition” event, this mission will demonstrate nuclear electric propulsion in deep space, and progress is underway on its key element: the nuclear power module. To expedite development of the spacecraft, NASA […]

Source: NASA — Original report ↗

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Original source: NASA ↗