After three catastrophic in-flight failures in a row, SpaceX readied a huge Super Heavy-Starship rocket for launch Sunday evening from the Texas Gulf Coast to put a variety of upgrades to the test and to deliberately stress the vehicle to learn more about its capabilities.

Test flight No. 10 is expected to get underway at 7:30 p.m. EDT, weather permitting, when the Super Heavy's 33 methane-burning Raptor engines roar to life at the company's Starbase manufacturing and flight facility near Brownsville, Texas, and the Mexican border.

A SpaceX Super Heavy-Starship rocket stands poised for launch on the program's 10th test flight from the company's Starbase flight and manufacturing facility on the Texas Gulf Coast. The 40-story-tall rocket is the most powerful ever built and is critical to f

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