An essential new account of some of the most valuable research and development in international military history. Roy F. Houchin II shows how the roots of US Air Force hypersonic research and development are grounded in Army Air Force General Henry H. 'Hap' Arnold's identification of the need for advanced airpower weapon systems to meet the anticipated postwar enemy threat. The technology for a smooth transition to military spaceflight seemed within reach when Bell Aircraft Corporation executive Walter Dornberger (the former commander of Nazi Germany's V-2 rocket research) made an unsolicited...