SpaceX's Crew Dragon capsule could be ready to fly NASA astronauts in three to four months. It would mark the first time humans have launched to orbit from US soil in almost a decade.
원문출처 : https://www.cnn.com/2019/09/30/tech/elon-musk-spacex-crew-dragon-nasa-timeline/index.html
원문출처 : https://www.cnn.com/2019/09/30/tech/elon-musk-spacex-crew-dragon-nasa-timeline/index.html