Since the outbreak of the First World War more than 100 years ago, the technology powering the world’s military forces has evolved at an unprecedented pace. The introduction of the first tanks during the Great War marked the start of an arms race that has continued to this day, and as we get our first glimpse at the next generation of military machines, it’s incredible to think how far technology has come. In the History of War Book of Combat Machines, we chart the history and development of these awesome military vehicles, from the fearsome German Tiger tanks of the Second World War, to the rise of the nuclear-powered submarine, to the hi-tech fighter jets that now rule the skies across the globe. We’ll show you all the facts and figures you need to become a combat machine expert, as well as breaking down each vehicle to give you an inside look at the technology that makes these tanks, choppers and battleships tick. Read on to discover how the combat machines of today were made, and what the latest advances in technology will mean for warfare in the years to come.