ULA CEO @torybruno on @SquawkStreet says that the Blue Origin BE-4 engines for the first Vulcan launch are expected to arrive "early next year," and are currently "in the factory being built at Blue Origin."
— Michael Sheetz (@thesheetztweetz) December 3, 2021
"I was hoping to get those engines for Christmas." pic.twitter.com/LbY5RmGBui