9 Season
65 Episode
Sworn to Secrecy: Secrets of War - Season 9 Episode 5 WWI: Germany's Secret Gambles (1999)
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.
- Country : United States of America, South Korea, United Kingdom, France, Germany, Russia, Vietnam
- Genre : War & Politics, Documentary
- Studio : History
- Director :
- Cast : Charlton Heston