The challenges accepted and conquered that allowed Curiosity to land on Mars.
This is a fantastic piece of advertising. It shows the challenges that this team had to get past in order to land Curiosity on Mars. More importantly - it makes the viewer want to see if it works. This is a worst case scenario. This can't possibly work, but we're trying it anyways.
I was too young to remember it originally, but it's like Star Wars Episode 5: The Empire Strikes back:
