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Watch Modern Marvels Season 10 Episode 64 Online
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- COUNTRIES: United States of America
- Subtitles: English
They dominated the Atlantic Ocean from Europe to the eastern coast of the U.S. They struck against Allied shipping with near impunity, holding England in a stranglehold for the first years of WWII–until sonar was developed. Now the hunters became the hunted. Meet German commanders and crewmen who survived service in “Iron Coffins”.
