Examine the impenetrable submarine pens the Nazis built to protect U-boats

U-Boat Base Nazi Mega Weapons

Premiered July 24, 2013
U-Boat Base: asset-mezzanine-16x9
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U-Boat Base

To create a haven in port for their lethal U-boat submarines, the Nazis built massive, impenetrable concrete submarine pens. Structures too immense to be hidden, they were constructed to withstand direct hits from even the biggest Allied bombs. Such was their size and strength that these pens survive today, a testament to their engineering.

About the Program

Nazi Mega Weapons

Nazi Mega Weapons and WWII Mega Weapons uncover the engineering feats that sparked a technological revolution and changed warfare forever, exploring the engineering secrets of iconic megastructures, and telling the stories of the engineers who designed them.

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