Eric Gay / AP

SpaceX is getting ready for the 10th test launch of its massive Starship rocket, the largest type of rocket ever built.

The planned launch, from a SpaceX facility near Boca Chica Beach in Texas, is scheduled to occur during a one-hour window that opens at 7:30 pm ET. The company says it will start a live webcast about 30 minutes before takeoff.

SpaceX wants to put the two-stage rocket's massive booster through its paces, testing out a series of burns and having it hover over the Gulf of Mexico before ending its flight by dropping down into the water. The rocket's upper stage, or section, will go on a suborbital flight that will involve an attempt to deploy simulated satellites.

This flight test comes after the multibillion-dollar Starship program has suffered a stre

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