[snip] On November 21st, Superheavy booster 18, the first next generation block 3 Superheavy, suffered a catastrophic structural rupture during ground testing at the Massiey's outpost. Intended to fly alongside ship 39 for Starship flight 12, the vehicle experienced an energetic failure in the opening phase of its proof campaign. The event immediately ended booster 18's qualification path and pushed flight 12 several months beyond SpaceX's original target. [/snip] Elon Musk Revealed Root Cause 'COPV Failure' on Booster 18 V3 After Inspection! Weird Explosion | 10:29 SpaceX Community | 69.2K subscribers | 5,114 views | November 22, 2025