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Rival powers jockey for the lead in hypersonic aircraft
- therockspush 6y agoinitially glazed over the article looking for mentions of Boom or Aerion, then i realized this was about hypersonic. i didnt know hypersonic was like twice as super as supersonic. https://en.wikipedia.org/wiki/Hypersonic_speed https://en.wikipedia.org/wiki/Hypersonic_speed