NASA contract confirms selection of ULA’s Centaur 5 as new upper stage for the SLS rocket
The upper stage of United launch Alliance’s Vulcan rockets performed successfully across the first four flights of the rocket since 2024. The first launch of a Centaur 5 as part of a Space Launch System rocket would be on the Artemis 4 mission.
Published by Spaceflight Now on 03/07/2026