SpaceX's Starship megarocket has come together ahead of its sixth-ever test flight next week. SpaceX has stacked Starship 's two elements — the Super Heavy booster and Ship upper-stage spacecraft — on the orbital launch mount at its Starbase site in South Texas.

The massive rocket is at the center of the company’s ambitions for space exploration, and Elon Musk’s longtime plan to send people to Mars.