Yuzhnoye Main Stage Engine Proposed to Replace Russian Powerplants

Credit: Orbital
LE BOURGET, France— Ukrainian rocket specialist Yuzhnoye State Design Office is under a tight deadline from Orbital ATK to make the U.S. company’s Antares core stage compatible with the new RD-181 engine chosen to replace modified Russian NK-33s implicated in an October 2014 launch failure. As...

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