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SpaceX’s Ninth Starship Test Breaks Apart Over Indian Ocean After Reused Booster Debut

Propellant leaks caused a loss of attitude control as the spacecraft fell back into the Indian Ocean, delivering critical data for faster follow-up launches.

Starship’s ninth flight test launch.
SpaceX Starship rocket Super Heavy booster test flight 9
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SpaceX's Starship lifts off from Starbase near Boca Chica, Texas during its 8th test flight on March 6, 2025.

Overview

  • Starship lifted off from SpaceX’s Starbase facility in Texas on May 27 for its ninth uncrewed test, aiming to reach suborbital trajectory and deploy eight mock Starlink satellites.
  • The flight marked the first reuse of a Super Heavy booster, which separated as planned but broke apart during its splashdown in the Gulf of Mexico.
  • A propellant leak led to a loss of attitude control about 30 minutes into the mission, triggering a rapid unscheduled disassembly of the spacecraft over the Indian Ocean.
  • Payload bay doors failed to open properly, canceling the intended deployment of simulated satellites and limiting on-orbit objectives.
  • Elon Musk described the test as a "big improvement" and announced plans to accelerate Starship launches to every three to four weeks, a pace NASA needs to meet its 2027 Artemis lunar goals.