Boeing and SpaceX have developed a new way using a zip line to help keep astronauts safe in case of launch failures.
원문출처 : http://www.cnn.com/videos/us/2017/04/05/nasa-boeing-spacex-zip-line-emergency-egress-system-fsc-orig-vstan.cnn
원문출처 : http://www.cnn.com/videos/us/2017/04/05/nasa-boeing-spacex-zip-line-emergency-egress-system-fsc-orig-vstan.cnn