A spacecraft built by Boeing launched a milestone test flight Friday that could be the last major step before humans are once again launched into orbit from US soil.
원문출처 : https://www.cnn.com/2019/12/20/tech/boeing-starliner-launch-nasa-oft-scn-trnd/index.html
원문출처 : https://www.cnn.com/2019/12/20/tech/boeing-starliner-launch-nasa-oft-scn-trnd/index.html