Space.com
The European Space Agency is funding the development of a hypersonic space plane pathfinder, which will start flying by 2031, if all goes according to plan…
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Europe working to launch ‘Invictus’ hypersonic space plane by 2031 (video)
The European Space Agency is funding the development of a hypersonic space plane pathfinder, which will start flying by 2031, if all goes according to plan…