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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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This S-2 Tracker Is The Last Of Its Kind In Military Use

Posted on July 18, 2025 by Naval Open Source Intelligence (NOSI)

The War Zone – Argentina first introduced the classic S-2 Tracker back in 1962 and just one example of the sub-hunting plane is still active today.

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