July 2014
The hypersonic grail: advances at DARPA, AFRL and beyond
... 2002. 4 ‘The Hypersonic Space and Global Transportation System: A Concept for Routine and Affordable Access to Space,’ K.G. Bowcutt, et al., AIAA-2011-2295, 17th AIAA International Space Planes and Hypersonic Systems and Technologies Conference, San...
