The RD-191 is a powerful rocket engine developed in Russia, specifically designed for use in the Angara rocket family. It operates on a combination of kerosene and liquid oxygen as propellants, providing high efficiency and thrust. The engine is notable for its staged combustion cycle, which enhances performance and reduces emissions. This engine is capable of producing approximately 190 kilonewtons of thrust, making it suitable for various space missions, including launching satellites and crewed spacecraft. The RD-191 is a key component in Russia's efforts to modernize its space launch capabilities and compete in the global aerospace market.