SpaceX: astronauts arrive at International Space Station on 'recycled' rocket – video

Four astronauts on board Elon Musk’s SpaceX Crew Dragon spacecraft shared hugs and greetings with the incumbent crew on the International Space Station after successfully docking. It is the first time SpaceX has reused a capsule and rocket to launch astronauts for Nasa, after several years of proving the capability on station supply runs.