A privately owned lunar lander slated to fly aboard the first United Launch Alliance Vulcan rocket arrived in Florida on Oct. 30 for launch preparations.
United Launch Alliance plans to modify the Centaur V upper stage of its new Vulcan rocket, likely delaying the booster’s debut flight to late this year.
More analysis of a Blue Origin BE-4 qualification engine for ULA’s Vulcan rocket program is pushing the booster’s debut flight to no earlier than May 4.