Astronauts Hitch First Ride Aboard Private Rocket to Space Station

摘要

On 30 May 2020,two National Aeronautics and Space Administration(NASA)astronauts,Robert Behnken and Douglas Hurley,made history as the first two people to travel to the International Space Station(ISS)aboard a private spacecraft(Fig.1).Nine weeks later,on 2 August 2020,the SpaceX(Hawthorne,CA,USA)built and operated Crew Dragon returned Behnken and Hurley back to Earth,safely completing the mission.