Launch of NASA's Artemis 1 moon rocket is Failed
The temperature required for launch was not reached by one of the four SLS core-stage engines.
causing the planned Monday morning launch of the Artemis I mission to be cancelled
With only 40 minutes remaining in the countdown, the event could start as early as 8:33 a.m. ET.,
Flight controllers had requested a hold while engineers looked into the issue.
NASA Administrator Bill Nelson stated, "We don't launch until it's right."
A test rocket launch to the moon from Kennedy Space Center has been put on hold for a few days.