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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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Portuguese Navy Tests UAS Aboard Frigate NRP Álvares Cabral

Posted on August 19, 2026 by Naval Open Source Intelligence (NOSI)

Naval News – The Portuguese Navy has conducted shipborne flight trials of unmanned systems from the Vasco da Gama-class frigate NRP Álvares Cabral (F331).

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