After back-to-back Starship upper stage failures, SpaceX on Tuesday again launched the world's most powerful rocket, but faced new problems.

Federal regulators gave SpaceX the green light for another test flight of Starship, the most powerful launch vehicle ever constructed, after mishaps earlier this year rained debris near populated islands.

The Federal Aviation Administration said on Friday that it will require SpaceX to conduct a mishap investigation after the failed test flight of Starship Flight 9 earlier this week. SpaceX’s Starship broke up upon reentry during its Tuesday test flight,