Nazi Mega Weapons - Season 1 (2013) (season)
VOD (1)
Plots(1)
Examine the impenetrable submarine pens the Nazis built to protect U-boats from Allied attacks. (Prime Video)
Gallery (4)
Photo © National Geographic Channel
![Nazi Mega Weapons - U-Boat Base - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/165/494/165494695_5eb111.jpg)
Photo © National Geographic Channel
![Nazi Mega Weapons - U-Boat Base - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/165/494/165494696_f0ce22.jpg)
Photo © National Geographic Channel
![Nazi Mega Weapons - U-Boat Base - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/165/494/165494697_dbc0d7.jpg)
Photo © National Geographic Channel
![Nazi Mega Weapons - U-Boat Base - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/165/494/165494698_b41499.jpg)