9 Tymor
65 Pennod
Sworn to Secrecy: Secrets of War - Season 9 Episode 5
As the armies of World War One struggled under an onslaught of terrifying weapons, the German government broke the stalemate and issued in a new era of warfare by turning to covert operations.
- 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