NASA says it needs to haul the Artemis II rocket back to the hangar for repairs

The helium system on the SLS upper stage —officially known as the Interim Cryogenic Propulsion Stage (ICPS)—performed well ...
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NASA's Artemis 2 moon rocket has a new problem. 'This will almost assuredly impact the March launch window.'

NASA is troubleshooting a glitch with the upper stage of Artemis 2's Space Launch System rocket that will likely delay the launch of the moon mission.