The pioneering tank crew of the First World War would be astonished by the advances made in the design of armored fighting vehicles over the last 100 years which have resulted in the Challenger 2, the current main battle tank in service with the British army. In terms of its speed, maneuverability and firepower, and the protection it provides for its crew, the Challenger 2 is one of the most advanced and sophisticated tanks ever built, and it is a...