SpaceX Demo-2 launch - Watch NASA astronaut's reaction aboard Space Station

NASA astronaut Chris Cassidy watched the launch of the Space Demo-2 mission from the International Space Station. Cassidy also had a lot of work to do preparing for their arrival. See highlights here. -- SpaceX's historic Demo-2 Crew Dragon astronaut test flight: Full coverage (https://www.space.com/spacex-crew-dragon-demo-2-test-flight-explained.html) Credit: NASA Johnson Space Center