Reusable spacecraft can quickly cross the atmosphere and freely travel between the Earth's surface and space. The idea of landing a resalable rocket on a land or sea surface platform has been proposed by scientists for decades.
The smooth return of rockets to Earth for soft landing and reuse will have a significant impact on space exploration, at least significantly reducing the cost of space exploration and space travel. For example, the first stage of the Delta 1 rocket fell in Oklahoma after disintegrating mid-air, narrowly hitting an inhabited farmhouse.