COVER -- TITLE -- COPYRIGHT -- CONTENTS -- PREFACE -- ACKNOWLEDGMENTS -- CHAPTER 1 THE QUEST FOR HYPERSONIC FLIGHT -- CHAPTER 2 HYPERSONIC REENTRY -- CHAPTER 3 HYPERSONIC AIR-BREATHING PROPULSION -- CHAPTER 4 DEVELOPMENT OF AIRFRAME-INTEGRATED SCRAMJETS -- CHAPTER 5 THE BIRTH OF THE HYPER-X -- CHAPTER 6 FROM CONCEPTS TO A FLIGHT RESEARCH PLAN -- CHAPTER 7 HYPER-X SCRAMJET DEVELOPMENT -- CHAPTER 8 HYPER-X STAGE SEPARATION RISK MITIGATION TESTING -- CHAPTER 9 X-43A RESEARCH VEHICLE DESIGN AND CONSTRUCTION -- CHAPTER 10 GETTING READY: TESTING THE HYPER-X -- CHAPTER 11 "LOCK THE DOORS . . ." -- CHAPTER 12 TOWARD THE UNKNOWN -- CHAPTER 13 LOOKING BACK-LOOKING FORWARD -- INDEX -- SUPPORTING MATERIALS.