Russian space chief says Russia will no longer sell rocket engines to US

“Today we made the decision to stop deliveries of rocket engines produced by NPO Energomash to the United States,” Rogozin said, according to Russian news site Tass. “Let me remind you that these deliveries have been quite intensive somewhere since the mid-1990s,” Rogozin said.

Tass said the ban will apply to RD-180 engines that power US-based United Launch Alliance (ULA) Atlas V rockets.

ULA CEO Tory Bruno, however, said via Twitter that ULA has already taken delivery of the RD-180s it needs in the short term, and it does not plan the fallout from the Russian invasion of Ukraine impacting ULA operations.
ULA, a private space transportation company, is ditching its Atlas line of rockets in favor of a new line of rockets, called Vulcan, which will use engines made by Jeff Bezos’ American rocket company Blue Origin. It is not known when this rocket will be ready to fly.

The ban also applies to RD-181 engines that are used in Northrop Grumman’s Antares rockets, according to Russian state media. These rockets are used to propel uncrewed resupply missions to the International Space Station. Northrop Grumman did not immediately respond to requests for comment.

“To date, it was planned to deliver 12 additional RD-181 engines in 2022-2024 and talks have also taken place with the United States on the delivery of RD-181M engines with improved operational characteristics, but we believe that in this situation we can no longer supply the United States with our best engines,” the Roscosmos official said.

The United States has other ways to get cargo to and from the space station. SpaceX’s Dragon spaceships are frequently used for this purpose.

“Let them fly on something else, on their brooms,” Rogozin told a Russian TV channel on Thursday.

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