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

Summary by NASA (Source)
2 min readPreparations for Next Moonwalk Simulations Underway (and Underwater) Space Reactor-1 Freedom will be the first spacecraft ever to demonstrate fission power beyond Earth’s orbit, traveling to Mars to deliver a science payload called SkyFall.NASA/Alberto Bertolin 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’…

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The SR-1 Freedom is getting closer to its launch: NASA, the originator of its design, has just signed a contract with a partner company to design one of its most important components.

NASA has selected the company Sierra Lobo to build the system that converts the heat from the nuclear reactor on board SR-1 Freedom into electricity. That spacecraft is scheduled to depart for Mars in late 2028. It will be the first spacecraft to orbit beyond Earth using nuclear fission.

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NASA assembles SR-1 Freedom, the first nuclear ship to travel to Mars: a 20 kilowatt reactor and a launch planned for 2028.The entry NASA assembles SR-1 Freedom, the first nuclear ship to Mars: takes off in 2028 and cuts radiation first appears on Merca2.

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NASA (Source) broke the news in Washington, United States on Tuesday, October 20, 2026.
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