The SpaceX Starship SN9 explodes into a fireball after its high altitude test flight from test facilities in Boca Chica, Texas, U.S. February 2, 2021. A prototype of SpaceX's Starship rocket exploded during a landing attempt minutes after a high-altitude experimental launch from Boca Chica, Texas. REUTERS/Gene Blevins

The SpaceX launches Starship SN9 for a test flight from its facilities in Boca Chica, Texas, U.S. February 2, 2021. REUTERS/Gene Blevins

The SpaceX launches Starship SN9 for a test flight from its facilities in Boca Chica, Texas, U.S. February 2, 2021. The self-guided, 16-story-tall rocket initially soared into the clear, blue South Texas sky from its Gulf Coast launch pad on what appeared from SpaceX's livestream coverage to be a flawless liftoff. REUTERS/Gene Blevins

The SpaceX launches Starship SN9 for a test flight from its facilities in Boca Chica, Texas, U.S. February 2, 2021. The trouble came when the Starship, after flipping its nose upward again to begin its landing sequence, tried to reactivate two of its three Raptor thrusters, but one failed to ignite. REUTERS/Gene Blevins

The SpaceX launches Starship SN9 for a test flight from its facilities in Boca Chica, Texas, U.S. February 2, 2021. The rocket then fell rapidly to the ground, exploding in a roaring ball of flames, smoke and debris - 6 minutes and 26 seconds after launch. REUTERS/Gene Blevins

The SpaceX Starship SN9 explodes into a fireball after its high altitude test flight from test facilities in Boca Chica, Texas, U.S. February 2, 2021. REUTERS/Gene Blevins