Helium System Failure Forces Artemis II SLS Rocket Back to Hangar, Jeopardizing April Launch Window

NASA engineers have rolled the Artemis II Space Launch System back to the Vehicle Assembly Building to address a critical helium flow issue in the upper stage. The maneuver comes after a successful wet dress rehearsal but introduces new delays for the first crewed lunar mission in over fifty years.

Siddharth Iyer

February 26, 2026380 views

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