Artemis II hit with new setback as helium flow halts launch prep

TL;DR
NASA has rolled back the Artemis II rocket to the Vehicle Assembly Building after a helium-flow problem in the upper stage of the Space Launch System, delaying a March liftoff. Engineers are investigating the cause while officials consider potential April launch windows, with further testing likely. When/if it launches, Artemis II will carry four astronauts on a 10-day lunar flyby, marking the first deep-space mission since Apollo ended in 1972.
- NASA opts to roll back moon rocket and delay crew’s historic trip into deep space CNN
- NASA Targets Artemis II Rollback on Wednesday NASA (.gov)
- NASA's Artemis II lunar mission may not launch in March after all NPR
- NASA targets March 6 to launch astronauts on a long-awaited mission around the moon NBC News
- Artemis II rolls back to VAB Axios
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