NASA is analysing data from a recent Artemis II confidence test that examined the SLS liquid hydrogen tank and replaced seals. Despite a ground equipment flow issue, engineers gathered critical performance data and will inspect systems before scheduling the next wet dress rehearsal, with March still considered the earliest possible launch window.NASA is analysing data from a recent Artemis II confidence test that examined the SLS liquid hydrogen tank and replaced seals. Despite a ground equipment flow issue, engineers gathered critical performance data and will inspect systems before scheduling the next wet dress rehearsal, with March still considered the earliest possible launch window.