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France tests upgraded nuclear missile against backdrop of Russia tensions
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Fusion42 · 6 October 2026 · Fusion42 review
France successfully tested the upgraded M51.3 submarine-launched ballistic missile as part of its nuclear deterrent modernisation amid rising tensions with Russia. The missile was launched without a warhead to certify the capability of the Le Vigilant submarine after maintenance.
This Wire brief sits within Fusion42's coverage of Defense Tech.
◆ ◆ The Wire takeaway
France's upgraded nuclear missile test signals a hardening stance on national security that affects defence tech founders focused on submarine and missile tech. You need to prepare for heightened scrutiny and possible partnerships or contracts as France expands its strategic deterrent capabilities.
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1 source · 6 Oct 2026
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