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There was also this recent test of a new Hypersonic plane: http://www.slashgear.com/darpa-reveals-reason-for-failure-of-htv-2-hypersonic-vehicle-23224174/ http

by jebblue 15y ago

There was also this recent test of a new Hypersonic plane: http://www.slashgear.com/darpa-reveals-reason-for-failure-of-htv-2-hypersonic-vehicle-23224174/ http://www.slashgear.com/darpa-reveals-reason-for-failure-of...