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The most advanced project of this nature is Skylon and its Sabre engine (https://en.wikipedia.org/wiki/Skylon_(spacecraft) https://en.wikipedia.org/wiki/Skylon_
by rkangel 7y ago
The most advanced project of this nature is Skylon and its Sabre engine (https://en.wikipedia.org/wiki/Skylon_(spacecraft) https://en.wikipedia.org/wiki/Skylon_(spacecraft)).