SpaceX
Starship's Tenth Flight Test (News Release)
Starship’s tenth flight test lifted off on August 26, 2025, at 6:30 p.m. CT from Starbase, Texas, taking a significant step forward in developing the world’s first fully-reusable launch vehicle. Every major objective was met, providing critical data to inform designs of the next-generation Starship and Super Heavy.
The flight test began with Super Heavy successfully lifting off by igniting all 33 Raptor engines and ascending over the Gulf of Mexico. Successful ascent was followed by a hot-staging maneuver, with Starship’s upper stage igniting its six Raptor engines to separate from Super Heavy and continue the flight to space.
Following stage separation, the Super Heavy booster completed its boostback burn to put it on a course to a pre-planned splashdown zone. The booster descended and successfully initiated its landing burn, intentionally disabling one of its three center engines during the final phases of the burn and using a backup engine from the middle ring. Super Heavy entered into a final hover above the water before shutting down its engines and splashing down into the water.
Starship completed a full-duration ascent burn and achieved its planned velocity, successfully putting it on a suborbital trajectory. The first in-space objective was then completed, with eight Starlink simulators deployed in the first successful payload demonstration from Starship. The vehicle then completed the second ever in-space relight of a Raptor engine, demonstrating a key capability for future deorbit burns.
Moving into the critical reentry phase, Starship was able to gather data on the performance of its heatshield and structure as it was intentionally stressed to push the envelope on vehicle capabilities. Using its four flaps for control, the spacecraft arrived at its splashdown point in the Indian Ocean, successfully executed a landing flip, and completed the flight test with a landing burn and soft splashdown.
Over the course of a flight test campaign, success will continue to be measured by what we are able to learn, and Starship’s tenth flight test provided valuable data by stressing the limits of vehicle capabilities and providing maximum excitement along the way.
Source: SpaceX
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