@Stealhead
Yes, that was one of the projects I was talking about. One of the others was the Spiral, however both of them were using a proper space booster if I remember it right.
However so far the only reusable space plane that flew on the regular bases was the Space Shutle, Buran-Energy although it did get into testing never survived the death of the USSR, even though the Energy space booster had a future (as it was actually cost efficient unlike most reusable space planes).
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