"To American planners and strategists at the outset of the Cold War, the ultimate way to gain ascendance over the USSR was only a question. What if the United States could defend its airspace while at the same time send a plane through Soviet skies undetected? A craft with such capacity would have to be essentially invisible to radar - an apparently miraculous feat of physics and engineering. In Stealth, Peter Westwick unveils the process by which...