Understanding how business is likely to evolve in the coming years is itself a multi-million dollar business. Plenty of gurus, academics and snake-oil salesmen will tell you all about the future for a price. What all of these experts often overlook is that the future is already here. Chances are, the products and services we will buy and sell tomorrow are available to a very limited clientele at a top-secret research institute near you. Throughout human history war and the threat of war have driven innovation and accelerated the uptake of new technology from the nomadic warriors who introduced the stirrup and the kebab to the world, to the British Navy's funding of Marconi's new-fangled radio. And since 1945 the relationship between military needs and modern business has grown ever closer, especially in the United States. David Hambling traces the history of this relationship in the modern era and shows how precision eye surgery emerged out of the military quest for a death ray,' how transistors and silicon chips first helped build better bombs, and exactly why the 747 has such a distinctive shape.