The tank and engine were donated by United Launch ... In its most recent configuration, the dual-engine Centaur V flies with ...

This includes aluminum panels for the rocket’s first stage liquid oxygen tank. Work on Vulcan’s Centaur V upper stage has also begun with the installation of two welding stations in Decatur.

Boeing's long-delayed Starliner crewed launch, which was scheduled for today, has been postponed yet again, this time due to a valve problem on the Centaur ... liquid oxygen tank of the Centaur ...