ISRO astronaut and Indian Air Force (IAF) officer, Shubhanshu Shukla, will take on the role of pilot on the Axiom Mission 4, or Ax-4, that will go to the International Space Station

Hungary’s Tibor Kapu (from left), India’s Shubhanshu Shukla, Axiom’s Peggy Whitson, and Poland’s Sławosz Uznański-Wiśniewski comprise the crew of Axiom Mission 4. [Courtesy: SpaceX]

Two NASA astronauts flew to the International Space Station in June on Boeing's Starliner capsule. The test flight was planned for eight days but technical troubles forced the capsule to return empty.