Episode 2 Preview | U-Boat Base
Preview: Season 1 Episode 2 | 30s
Nazis built impenetrable submarine pens to protect U-boats from Allied attacks.
Examine the impenetrable submarine pens the Nazis built to protect U-boats from Allied attacks.
Problems with Closed Captions? Closed Captioning Feedback
Problems with Closed Captions? Closed Captioning Feedback
Episode 2 Preview | U-Boat Base
Preview: Season 1 Episode 2 | 30s
Examine the impenetrable submarine pens the Nazis built to protect U-boats from Allied attacks.
Problems with Closed Captions? Closed Captioning Feedback
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