Nazi Megastructures · S01E03
U-Boat Base
2013-11-25 · 45 min
This episode describes the immense and impenetrable concrete and steel submarine pens that the Nazis built to protect their precious and deadly U-boats from Allied attacks.
Nazi Megastructures · S01E03
2013-11-25 · 45 min
This episode describes the immense and impenetrable concrete and steel submarine pens that the Nazis built to protect their precious and deadly U-boats from Allied attacks.