Livro usado em ótimo estado, leves desgastes nas bordas e quinas, miolo perfeito. 27×27 cm , 264 pág. , encadernado. Nineteen years before Space Shuttle, the small, black, rocket-powered, bullet-shaped X-15 showed it was possible to fly into – and out of – space. At the dawn of the 21st Century there seem to be a great interest in hypersonic flight. For the most part this is related to a new generation of missiles – air-to-air and air-to-surface – that are being proposed as the next logical increment in weapons, although the designers of the forever-in-development replacement for the Space Shuttle also have a vested interest in hypersonic research. This book is a tribute to the program, the airplanes, and the people who designed, maintained and flew the most successful of the X-planes. There had never been anything like the X-15; it had a million-horsepower engine and could fly twice as fast as a rifle bullet. Over the course of ten years and 199 flights, pilots from the Air Force, Nav