Technology & Science

Helium Fault Forces Artemis II Rollback, Scrubs March 6 Moon Fly-by

On 21 Feb 2026 NASA scrubbed the March 6 Artemis II launch window after a blocked helium line in the SLS upper stage required rolling the 98-m rocket back to the Vehicle Assembly Building, pushing the first crewed lunar flight since 1972 into April at the earliest.