From mud through blood to the green fields beyond
Jason Herbert explains how a special unit consisting of mechanics, technicians, plumbers and even circus trapeze artists were brought together to break the stalemate of the First World War.
What they did would revolutionise warfare for the modern age. They came up with the idea of the tank.
Hear about the development of the tank, the people who built and crewed it and the meticulous preparation that led to the Battle of Cambrai.