Event Brief
Jun 24, 2026 at 3:00 PM ET
Project Pluto nuclear missile canceled over radioactive exhaust
By The BriefBrief
The U.S. Air Force canceled Project Pluto after its nuclear-powered missile would have released radioactive exhaust along its flight path.
WHO: U.S. Air Force
WHAT: Canceled Project Pluto, a nuclear-powered cruise missile project due to radioactive exhaust concerns.
WHEN: Jun 24, 2026 at 2:32 PM ET
WHERE: USA
WHY: The missile’s unshielded reactor would have sprayed radioactive exhaust along its entire flight path.
Reporting from 1 identified publisher for this event.
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