The crew will live aboard the US segment of the ISS for about eight days and participate in research and philanthropic projects.
NASA officials signed off on Crew Dragon’s final design earlier this week, ending a nearly 10-year development phase for SpaceX under the agency’s public-private crew program.
""The hardest part was getting us launched, but the most important part is bringing us home."
The launch represented a milestone for the reusable rockets it pioneered to make spaceflight less costly.
NASA astronauts Doug Hurley and Bob Behnken have flown into space aboard the Crew Dragon capsule, and are bound for the International Space Station.