On Tuesday evening, SpaceX launched a powerful Falcon Heavy rocket carrying an unpiloted X-37B spaceplane for a classified mission, as well as a Falcon 9 rocket loaded with 23 Starlink internet satellites. The X-37B is a reusable mini space shuttle used to carry classified experiments, and the Falcon Heavy is the most powerful rocket in operation. This launch marks another milestone for SpaceX in the space exploration industry.