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The founder and CEO of SpaceX, Elon Musk, is expected to present the current presentation of the Starship rocket on Saturday evening in Cameron County, Texas.
The huge rocket represents the company's ambition to build a vehicle that can fire and land many times, while being able to take up to 100 people to the Moon and Mars.
SpaceX tested an early rocket prototype at its facility in Texas, and completed assembly of the first iteration of the spacecraft on Friday. The company is also building a second rocket on a spacecraft in Florida, where it also plans to launch.
This post will be updated during the SpaceX event when Musk reveals new details. In the meantime, here's everything you need to know about a spaceship.