One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it's stockpiling supplies ahead of Trump's tariffs.

On Friday (Jan. 10), SpaceX successfully stacked its Starship spacecraft atop a giant Super Heavy booster to prepare for the next launch of the world's largest ... Die Cast Rocket Model Now ...

These include a functional scale model of the belly-flopping starship, a mysterious “meat rocket”, and the big one, a space shot to exceed 100 km altitude.