5 AMAZING SpaceX Rocket Landing Videos [FOR REAL?]

Historically, most rockets have had to use all the fuel available to transport the cargo into space. SpaceX rockets were built from the outset thinking about reuse: they have enough built-in fuel margin to deliver a dragon to the space station and bring the first stage back to Earth. That extra fuel is needed to restart the engines several times to reduce the rocket speed and finally land in the first stage after the spacecraft has been sent on its way.