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NOSI – Naval Open Source Intelligence™

Operational naval news, curated from open source intelligence, intended to serve as a source of continuing naval education. By Michael P. D'Alessandro M.D.

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Seabed War: Russia’s Secretive Defence Units and Undersea Sabotage Architecture

Posted on May 20, 2026 by Naval Open Source Intelligence (NOSI)

RUSI – Classified Russian government document revelations add to concerns that the adversarial nation’s undersea threat is both acute and invested towards a further-reaching campaign.

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