Watch live: SpaceX is about to launch its newest Starship prototype. The last 4 exploded.

Elon Musk (center) wants Starships to fly to Mars. But so far the only prototype to land successfully (left) exploded 10 minutes later (right).
SpaceX; Britta Pedersen-Pool/Getty Images; Spadre.com
SpaceX is preparing to launch a prototype of its Starship spaceship on Wednesday. Watch live below.
The four previous high-flying Starship prototypes exploded.
NASA has picked SpaceX to turn the mega-spaceship into a moon lander for astronauts.
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SpaceX is a