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.
Europe working to launch 'Invictus' hypersonic space plane by 2031 (video)
Source: space
Source Link: https://www.space.com/space-exploration/launches-spacecraft/europe-working-to-launch-invictus-hypersonic-space-plane-by-2031-video