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. ... Read more
On the Feb 12, 2026 USSF-87 launch, one of Vulcan’s four Northrop Grumman GEM 63XL solid rocket boosters (SRBs) suffered a nozzle burn-through (visible fiery plume ~20–30 seconds after liftoff). This is the second identical anomaly (first occurred on Vulcan’s second flight in Oct 2024). The mission still succeeded (core stage compensated), but ULA and ... Read more