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After setbacks in its last three flight attempts, Elon Musk’s company has a lot riding on the latest trip of its Starship prototype.

By Kenneth Chang

After several disappointing failures, SpaceX’s Starship — the mammoth rocket that Elon Musk hopes to use to take people to Mars — is back on the launchpad for a 10th test flight on Sunday night.

The test is highly important for Mr. Musk and SpaceX, which hopes to show that the spacecraft is capable of achieving key goals. It’s also critical for NASA, which needs Starship to land its astronauts on the moon.