and Clear! the Story of NASA's Spaceflight Tracking and Data Network (NASA SP-2007-4232) Covering Mercury, Apollo, Shuttle, Ground Stations, TDRSS, Satellites", "Facing the Heat Barrier: a History of Hypersonics - Report on V-2, Sanger, Missile Nose Cones, X-15, Scramjets, Space Shuttle, National Aerospace Plane (NASP), X-33, X-34 (NASA SP-2007-4232)" and "Hypersonics Before the Shuttle: a Concise History of the X-15 Research Airplane - History of the Design, Development, Operations, and Lessons Learned"