Crew-4 will be the fourth crewed operational NASA Commercial Crew flight of a Crew Dragon spacecraft, and the seventh overall crewed orbital flight. The mission is planned for launch on 15 April 2022. The Crew-4 mission will transport four members of the crew to the International Space Station (ISS). As of November 2021, three NASA astronauts and one ESA astronaut have been assigned to the mission. Crew-4 will use a new Crew Dragon spacecraft. The Booster to be used on this mission will be B1067, which will be first booster to be used the fourth time on a commercial crew mission.