NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

NASA just picked a new upper stage for its SLS moon rocket amid Artemis shakeup

Source: space
Source Link: https://www.space.com/space-exploration/artemis/nasa-selects-new-upper-stage-for-sls-moon-rocket-amid-artemis-shakeup