>> you'd think you're at a sporting event listening to the crowd cheer. the rocket company successfully got a rocket booster back to land after using it to deliver a payload into space monday evening. there are the cheering crowds. the booster's safe return marks a major step toward making space travel much cheaper because the rocket can be reused for a future launch. >> three, two, one, zero. lift off. >> the primary mission was to put 11 small communication satellites into orbit. all were successfully deployed. space space travel.