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 ...

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Link :
https://www.nextbigfuture.com/2026/02/northrop-grumman-solid-rocket-failure-grounds-ula-vulcan-delays-amazon-leo.html