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.
| Title | Nazi Megastructures - Season 1 Episode 3 U-Boat Base |
|---|---|
| Year | 2019 |
| Genre | Documentary, War & Politics |
| Country | United Kingdom, United States of America |
| Studio | National Geographic Channel |
| Cast | Richard Lintern |
| Crew | |
| Alternative Titles | Obras Incríveis do Nazismo, Obras Incríveis do Nazistas, 纳粹二战工程：美国之战, Mega-Projekte der Nazis, Nazi Megakonstuktioner, Nazi Mega Weapons, Nazi Megastructures: America's War |
| Keyword | nazi, military weapons |
| First Air Date | Nov 18, 2013 |
| Last Air date | Dec 18, 2019 |
| Season | 6 Season |
| Episode | 36 Episode |
| Runtime | 45:14 minutes |
| Quality | HD |
| IMDb: | 7.50/ 10 by 22.00 users |
| Popularity | 12.253 |
| Language | English |
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