Spaceflight Now
NASA conducts unannounced liquid‑hydrogen load to validate SLS umbilical repairs as Artemis II slips to March
NASA quietly loaded liquid hydrogen into the Space Launch System core stage at Kennedy Space Center to test repairs to a leaky umbilical that derailed a Feb. 2 wet dress rehearsal. The unannounced fueling validates fixes after hours‑long countdown holds and follows a slip of Artemis II to March.