Ah, no, I was mostly just idly speculating that at least it could've been possible in principle, but there in fact were some (possibly unrealistic) plans to mak

Ah, no, I was mostly just idly speculating that at least it could've been possible in principle, but there in fact were some (possibly unrealistic) plans to make it fully reusable, see https://en.wikipedia.org/wiki/Energia_(rocket)#Energia-2_(GK-175) https://en.wikipedia.org/wiki/Energia_(rocket)#Energia-2_(GK...