SpaceX’s twelfth fully integrated Starship flight test was called off at Starbase, Texas, on May 21, 2026, at 23:30 UTC (18:30 CDT).
The company delayed the first launch of its third-generation Starship rocket system and is now expected to try again on Friday.
This mission is especially important for SpaceX because it is the first major test flight of the new Starship V3 design. The launch also comes at a key moment for the company financially, as SpaceX has reportedly filed for an IPO and could go public in the coming weeks, adding pressure to show strong progress with the rocket program.
This would have been Starship’s 12th overall flight and the first since the previous test flight in October 2025.
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