SLS NASA Artemis 2 Fails Wet Rehearsal Test With Continued Helium Leaks – Earliest Launch April 2026
Home » Space » SLS NASA Artemis 2 Fails Wet Rehearsal Test With Continued Helium Leaks – Earliest Launch April 2026 SLS still has helium leaks. Helium leaks have been a problem since the Space Shuttle days. It is so cold that it is hard to work with. The picture is of the SLS rolling back to the Vehicle Assembly Building in 2022. Rolling back to the bay for work will look the same in 2026. – The ICPS helium bottles are used to purge the engines, as well as for LH2 and LOX tank pressurizati...













