Uploaded February 2026 | Updated September 2026, 2 weeks ago

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The Second Happy Time — when U-boats ruled the Atlantic. 🌊⚓

In this short, we dive into the deadly campaign that left the U.S. East Coast vulnerable and merchant ships burning. Relentless submarine warfare, surprise attacks, and total naval chaos.

History’s darkest waters. 🚢🔥

#navalhistory #ww2 #submarine #uboat #historyshorts

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