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France’s third Suffren-class SSN – Tourville – enters service

Posted on July 11, 2025 by Naval Open Source Intelligence (NOSI)

Naval News – The French Navy’s (Marine Nationale) third Suffren-class nuclear-powered attack submarine (SSN) Tourville (S637) entered “active duty” (admission au service actif in French) on July 4th, 2025.

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