In July 2026, a Miami startup called City Labs sent a softball-sized CubeSat carrying a tritium battery into orbit on SpaceX's Transporter-17 rideshare, becoming the first commercially built nuclear-powered satellite ever launched and the first mission ever cleare

Space Daily·9h ago

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A Miami startup called City Labs has launched a softball-sized CubeSat carrying a tritium battery into orbit on SpaceX's Transporter-17 rideshare, reportedly becoming the first commercially built nuclear-powered satellite. The CubeSat, called BOHR, is said to be the first commercial spacecraft cleared to carry a nuclear power source. The launch details, including the date, are somewhat unclear, with different reports citing July 1 and July 7 as the launch date.

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On July 7, a small Miami company called City Labs put a tritium-powered battery the size of a pencil eraser into orbit aboard a SpaceX Falcon 9 — its softball-sized BOHR CubeSat becoming the first commercial spacecraft ever cleared to carry a nuclear power

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