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NASA conducts 'confidence test' of Artemis II SLS rocket, catches issue with liquid hydrogen flow

Engineers will review the data before setting the timeline for the second wet dress rehearsal.

NASA finally acknowledges the elephant in the room with the SLS rocket

On Monday, after rolling the SLS rocket to be used for the Artemis II mission to the pad in January, NASA attempted its first wet-dress test with this new vehicle. At one of the main interfaces where liquid hydrogen enters the vehicle, a leak developed, not dissimilar to problems that occurred with the Artemis I rocket three years ago.

Deja Vu at the SLS Launchpad: Why Can’t NASA Shake Its Hydrogen Leak Curse?

During the lead-up to NASA’s Artemis 1 mission back in 2022, recurring hydrogen leaks led to significant delays and a cancelled launch attempt. The agency had three years to address the underlying issues with the Space Launch System (SLS) rocket’s hardware,
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NASA will fuel up its Artemis 2 moon rocket for the 2nd time on Feb. 19. Will it leak again?

NASA will try again to fuel up its Artemis 2 moon rocket on Feb. 19. If all goes well, the crewed mission could launch as soon as March 6.