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NASA's Space Reactor-1 Freedom: America's First Nuclear-Powered Mission to Mars

When NASA Administrator Jared Isaacman took to the stage at the agency's Ignition event on March 24, 2026, one announcement cut through everything else. The United States would fly a nuclear-powered spacecraft to Mars before the end of 2028. The project is called Space Reactor-1 Freedom, or SR-1 Freedom, and it represents the first time a fission reactor will be used to propel a vehicle beyond Earth's sphere of influence.

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In just over two and a half years, the SR-1 Freedom will launch a nuclear-powered spaceship to Mars. The controversial experiment could revolutionize space travel.

·Vienna, Austria
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Propelling a ship to Mars with nuclear power? This concept takes shape with NASA's SR-1 Freedom project. Planned for launch in 2028, this device marks a turning point in the...

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New Space Economy broke the news in on Tuesday, April 7, 2026.
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