Strapped into a new SpaceX Crew Dragon capsule making its maiden flight, Whitson, test pilot Shubhanshu Shukla of India, European Space Agency astronaut Sławosz Uznański-Wiśniewski of Poland, and Hungarian engineer Tibor Kapu roared away from pad 39A at the Kennedy Space Center at 2:31 a.m. EDT.
The introduction of C213 comes years after the other four Cargo Dragon spacecraft currently in service. Ax-4 will be the third human spaceflight mission for SpaceX in 2025.
The mission will the fifth flight to space for Peggy Whitson, the American with the most spaceflight experience in history. Liftoff on Wednesday, June 25 is set for 2:31 a.m. EDT (0631 UTC) from Launch Complex 39A.
Ax-4 will mark the first time an astronaut from India or Poland visits the International Space Station. The mission will be commanded by former NASA astronaut Peggy Whitson, making her second trip to the ISS on behalf of Axiom Space.