The SpaceX Demo-1 mission in March 2019 was the spacecraft’s first flight test. During that uncrewed mission, the fully autonomous Crew Dragon launched aboard a Falcon 9 rocket, rendezvoused and docked with the orbiting laboratory, undocked several days later and returned to Earth with a splashdown in the Atlantic Ocean off the Florida coast.
Throughout the flight, the spacecraft’s performance and capabilities were monitored from the ground, while an anthropomorphic test device nicknamed “Ripley” rode inside the Crew Dragon as a “passenger.” Ripley was fitted with sensors around the head, neck and spine to record everything an astronaut would experience throughout the mission, such as the forces, acceleration, protection offered by Crew Dragon’s seats, and overall environment.
Demo-2 raises the stakes, taking Demo-1 a critical step further with the addition of a crew: veteran astronauts Robert Behnken and Douglas Hurley.
This mission will serve as an end-to-end flight test to validate the SpaceX crew transportation system, from launch to docking to splashdown. It is the final flight test for the system to be certified for regular, crew flights to the station as part of NASA’s Commercial Crew Program.