As the armies of World War One struggled under a barrage of terrifying weapons, the German government turned to covert operations to break the stalemate. Sabotage, biological weapons and topsecret communications ushered in a new era of warfare.
As the armies of World War One struggled under a barrage of terrifying weapons, the German government turned to covert operations to break the stalemate. Sabotage, biological weapons and topsecret communications ushered in a new era of warfare.