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After first operational launch, here’s the next big test for ULA’s Vulcan rocket
In the near term, ULA will switch back to launching its soon-to-retire Atlas V rocket, the Vulcan rocket's predecessor. The company has 13 more Atlas Vs in its inventory, most of them sold to Amazon and Boeing to launch Kuiper Internet satellites and Starliner crew missions to the International Space Station.
ULA CEO and President Tory Bruno said on Twitter that there appears to be an issue with Blue Origin-built BE-4 engines that power the Vulcan Centaur's first stage.
ULA's launch team at Cape Canaveral, Florida, continued testing the Vulcan's first stage with a brief but flawless firing of its two Blue Origin-built main engines on the launch pad in June.
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