Oh no! A day after the successful wet dress rehearsal, NASA has detected a helium flow issue with the Artemis II rocket that will require a rollback to the Vehicle Assembly Building for diagnosis and repair. The March 6 launch window will likely be missed.

NASA Admin Isaacman wrote about potential faults -
- the final filter between the ground and flight vehicle, located on the umbilical
- a failed QD umbilical interface
- a failed check valve onboard the vehicle

nasa.gov/blogs/missions/2026/0
31/n

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