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

Regulators decided to allow the company to move forward with another test mission, referred to as Flight 9, after determining that SpaceX has met “all of the rigorous safety, environmental and other licensing requirements.

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,