Antares Upgrade Will Use RD-181s In Direct Buy From Energomash

Credit: NASA Wallops Flight Facility
Orbital Sciences Corp. will buy directly from Russia’s NPO Energomash a new rocket engine with a long heritage, to replace the surplus Russian powerplants tentatively implicated in the Oct. 28 failure of an Antares launch vehicle with a load of cargo for the International Space Station (ISS)...

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