HIFiRE is investigating hypersonics technology ( the study of flight exceeding five times the speed of sound ) and its application to advanced scramjet-powered space launch vehicles the objective is to support the new Boeing X-51 scramjet demonstrator while also building a strong base of flight test data for quick-reaction space launch development and hypersonic " quick-strike " weapons.
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The Hyshot program spawned the HyCAUSE ( Hypersonic Collaborative Australian / United States Experiment ) program a collaborative effort between the United States Defense Advanced Research Projects Agency ( DARPA ) and Australia's Defence Science and Technology Organisation ( DSTO ), also representing the research collaborators in the Australian Hypersonics Initiative ( AHI ) [ http : / / www . dsto . defence . gov . au / news / 5118 /.
