9 Tymor
65 Pennod
Sworn to Secrecy: Secrets of War - Season 2 Episode 8
The struggle for the Atlantic pitted Germany’s lethal U-boat fleet against every weapon the Allies could muster to protect their vital supply routes to Great Britain. The story of naval intelligence, code-breaking and code stealing in the Battle of the Atlantic...
- Blwyddyn: 1999
- Gwlad: United States of America, South Korea, United Kingdom, France, Germany, Russia, Vietnam
- Genre: War & Politics, Documentary
- Stiwdio: History
- Allweddair: spy, world war ii, cold war, world war i, gulf war, vietnam war, third reich (iii reich 1933-45)
- Cyfarwyddwr:
- Cast: Charlton Heston