Today, "Roscosmos" announced that NPO Energomash, which is part of the state corporation, has produced the first RD-171MV flight engine. Its uniqueness lies in its high thrust, which should exceed 800 tons, and this makes the RD-171MV the most powerful engine in the world.

«In June 2023, the Energomash Research and Production Association completed the production of the RD-171MV liquid rocket engine for the first flight tests of the new Soyuz-5 launch vehicle», Roscosmos said. «The next stages of the program will be interdepartmental tests of the RD-171MV and serial delivery of engines for Soyuz-5 rockets», the state corporation added.

This year it is planned to assemble the second RD-171MV for the second Soyuz-5 flight rocket, and then produce an engine for the third flight rocket.

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