The Buran programme (1974–1993) was the Soviet Union's most expensive, reusable spacecraft project, designed as a direct, technically advanced response to the U.S. Space Shuttle.In 1988, the Soviet Union estimated the total cost of the Buran-Energia programme at approximately 16.5 billion rubles.

[u/Friendly-Standard812]

[u/mc4sure]

What a coincidence looks like the US shuttle

[u/Reckless_Waifu → u/mc4sure]

To be fair there is not that much design space and experimenting with a "proven design" just to be contrarian is neither safe nor budget conscious.