Enlarge / SpaceX’s fourth full-scale Starship rocket undergoes a fueling test Monday. (credit: SpaceX)

After three test flights, SpaceX has shown that the world’s most powerful rocket can reach space. Now, engineers must demonstrate the company’s next-generation Starship vehicle can get back home.

This will be the central objective for the fourth Starship test flight, which could happen as soon as early June, according to Elon Musk, SpaceX’s founder and CEO.

“Starship Flight 4 in about 2 weeks,” Musk posted on X, his social media platform, following a Starship countdown rehearsal Monday at the Starship launch site in South Texas. “Primary goal is getting through max reentry heating.”

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