SpaceX called off a major test flight of Starship on Sunday, less than 30 minutes before liftoff, after discovering a problem with its ground support 0 rocket, the most powerful ever built, was scheduled to launch on its 10th test mission from the South Texas site, known as 1 flight window began at 6:30 2 3 cancellation came as SpaceX faces rising pressure following several explosive setbacks earlier this 4 CEO Elon Musk had suggested earlier in the day on X that he would deliver an update on 5 briefing never happened. Instead, Musk later posted that engineers discovered a leak of liquid oxygen on the ground 6 said the issue would be fixed and another launch attempt would follow on 7 side liquid oxygen leak needs to be 8 for another launch attempt tomorrow. — Elon Musk (@elonmusk) August 25, 2025 The test flights are part of an effort to prove that Starship can eventually carry satellites, and later, people, to orbit and further in 9 the program has faced serious challenges 10 Starship flights ended up in explosions The first 2 Starship flights in 2025 ended in explosions within minutes of liftoff.
A third flight failed when the rocket lost control after not deploying test 11 June, another Starship blew up on the ground during 12 repeated failures have raised doubts about whether the rocket can live up to Musk’s 13 reported that about 20% of SpaceX’s Falcon rocket engineers have been temporarily reassigned to support Starship testing and improve 14 has long described setbacks as part of the learning 15 say that each failed attempt gives the company data to refine the vehicle. Still, the repeated mishaps have added pressure for the upcoming mission to show 16 analysts say the next flight could be a turning point. “A successful test would almost kind of erase the challenges of the last year,” Carissa Christensen from BryceTech said.
“An unsuccessful one is just going to add to that scrutiny and that sense of what’s going on.” Starship is central to Musk’s vision of creating a Mars 17 rocket is fully reusable and more powerful than any vehicle ever 18 has said it will replace SpaceX’s Falcon 9, the company’s current workhorse, and serve as the main carrier for launching satellites along with people into 19 long-term plan is for Starship to carry astronauts and cargo to both Mars and the 20 those goals remain years 21 must prove Starship can reach orbit first For now, SpaceX’s focus is on proving Starship can reach orbit, release satellites, and return safely to 22 flights so far have demonstrated that the rocket’s lower stage, called Super Heavy, can separate and attempt controlled 23 delayed test is just the latest step in a long process to prove Starship’s 24 will now work to fix the liquid oxygen leak and prepare for another launch 25 on the next test would mark a milestone toward its eventual use in satellite launches and, further down the road, in crewed missions to the moon and 26 smartest crypto minds already read our 27 in?
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