Key Highlights
- Helium flow problem discovered during Artemis II pre-launch tests.
- NASA may roll back the SLS rocket and Orion spacecraft to the Vehicle Assembly Building.
- The mission aimed to launch on March 6 for a crewed lunar orbit.
- The helium interruption affects the interim cryogenic propulsion stage.
- This would mark a continued delay in NASA's return to manned lunar missions after over 50 years.

