A Harmadik Birodalom építményei - Season 3 Episode 4 4. epizód
Hitler planned a submarine to outperform all others. The Type 21 was the world's most advanced submarine: Hitler's sea-faring super weapon.
- Műfaj: Documentary, War & Politics
- Stúdió: National Geographic Channel
- Kulcsszó: nazi, military weapons
- Öntvény: Richard Lintern
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