Science

SpaceX Starship completes 13th flight test with successful splashdown

The latest Starship trial demonstrated major strides in reusability, with the upper stage achieving a soft landing in the Indian Ocean while deploying satellites, even as the booster encountered engine issues on splashdown.
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AI-generated image: SpaceX Starship completes 13th flight test with successful splashdown
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Intelligent summary
  • SpaceX's 13th Starship test saw the upper stage achieve a soft splashdown in the Indian Ocean while deploying 20 satellites and returning the first clear images of an intact heat shield.
  • The Super Heavy booster completed most objectives but experienced a hard splashdown in the Gulf of Mexico after only a subset of engines ignited for landing.
  • The flight highlights the value of rapid, private-sector iteration in advancing reusable rocket technology over slower bureaucratic approaches.

Private ingenuity continues to push the boundaries of spaceflight. On 24 July, SpaceX carried out the 13th integrated test of its Starship system from Starbase in Texas, delivering tangible advances in reusable rocket technology through rapid iteration rather than top-down direction.

The Super Heavy booster lifted off using all 33 Raptor 3 engines for the first time on a V3 vehicle. It completed ascent, hot-staging separation and a boostback burn before attempting a landing burn in the Gulf of Mexico. Only a subset of engines ignited, leading to a hard splashdown.

The Starship upper stage, by contrast, met nearly every objective. It reached the planned velocity and trajectory, executed an in-space Raptor engine relight, and deployed all 20 Starlink V3 satellites. During re-entry it gathered valuable data on heat shield performance, performed a dynamic banking manoeuvre using its flaps, and arrived precisely at the target splashdown site in the Indian Ocean.

There, the upper stage relit three Raptor engines, completed the landing flip and burn, and achieved a soft splashdown. It came to rest intact, offering the first clear views of an undamaged heat shield after atmospheric re-entry. SpaceX described the test as mostly successful, with the booster outcome the main shortfall.

This result marks measurable progress toward full reusability. The ability to soft-land the upper stage after high-energy re-entry and maintain structural integrity represents a concrete step forward in the kind of engineering risk-taking that has defined breakthroughs in the Anglosphere tradition of exploration. Each flight builds on the last, turning potential setbacks into data that accelerate development.

Iterative testing yields steady gains

With 13 flights now completed, Starship is accumulating the flight experience essential for reliable operation. The successful satellite deployment, controlled re-entry and soft ocean landing of the ship stage demonstrate that private enterprise can solve complex technical challenges at pace. The booster's partial engine ignition during its landing sequence, while short of the goal, still provided engineers with clear information to refine future attempts.