Musk revealed on the eve of the launch that he was “likely” infected with the Coronavirus, despite mixed results. He was replaced on his official duties at the Kennedy Space Center by SpaceX head Gwen Shotwell. She joined Container Director Jim Bridenstine for last-minute notes and photos with the astronauts before launch.
The head of SpaceX tweeted Heart shortly after the launch.
The Crew Dragon spacecraft took off from Launch Complex 39A at 7:27 PM ET on Sunday.
The six-month mission is the maiden flight of a US commercial spacecraft.
The Crew-1 mission transports NASA astronauts Mike Hopkins, Victor Glover, Shannon Walker, and Japan Aerospace Exploration Agency astronaut Soichi Noguchi to the International Space Station aboard the Crew Dragon. It comes after the successful Demo-2 mission with SpaceX earlier this year.
The Associated Press contributed to this article.