A prototype of SpaceX's rocket, Starship, exploded during a ground test as the space company pursued an aggressive schedule to fly the launch vehicle for the first time.
Elon Musk's company began testing in south Texas when the heavy-lift rocket exploded on the test pad. The testing explosion was unrelated to SpaceX's upcoming launch of two NASA astronauts from Florida's Kennedy Space Center using a different rocket system, the Falcon 9 with the Crew Dragon capsule fixed on top.
A prototype vanished in an explosive fireball at SpaceX's Boca Chica test site on Friday, as seen in a livestream recorded by the website NASA Spaceflight.
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