Photos show how NASA built a $50 billion mega-rocket and spaceship to return astronauts to the moon for the first time in 50 years

The first big moon rocket since the Apollo missions is fully stacked and ready to blast off on its maiden voyage.

The goal of the Artemis I mission is to send a spaceship to the moon. It's the first flight of a three-flight plan to land humans on the moon. The Space Launch System will eventually be used by NASA to set up a permanent base on the moon.

Bill Nelson, NASA's administrator, said at a press conference on August 3 that the Artemis generation is now underway. This is a new generation of astronauts and we were in the Apollo generation. We're here, folks, we're gazing up at the moon, dreaming of the day we'll return to the moon. The journey starts with Artemis I.

NASA's ambitious 21st century lunar campaign requires powerful and advanced space hardware in the SLS mega-rocket, as well as the high-tech crew vehicle. This is how NASA built their equipment.

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