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Antares Nuclear

Antares Nuclear designs and manufactures factory-produced fission microreactors to supply strategic energy for defense and other mission-critical systems on Earth, in space and underwater. Its R1 microreactor uses TRISO fuel in a graphite core, sodium heat pipes and a nitrogen Brayton power-conversion cycle, rated at 100 kWe to 1 MWe.

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SectorReactor developer
Verified2026-10-06

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