For fuel, the engines would have relied upon the booster’s RD-170 liquid oxygen/kerosene engine and four RD-0120 liquid oxygen/liquid hydrogen engines attached to the shuttle’s central block.

MOSCOW, October 31. /TASS/. Russia’s Makeyev State Rocket Center, known for its prospective Sarmat intercontinental ballistic missile (ICBM), has designed the concept of Leader, a super-heavy ...