A Super Heavy rocket booster launched a Starship upper stage for SpaceX’s tenth flight test of a fully integrated Starship, from Starbase, Texas, on 26 August 2025, at 23:30 UTC (18:30 CDT). According to SpaceX, the Starship upper stage will repeat its suborbital trajectory and target objectives not reached on the previous three flight tests, including the deployment of eight Starlink simulators. The Super Heavy booster will attempt several flight experiments “while on a trajectory to an offshore landing point in the Gulf of America and will not return to the launch site for catch”.