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Axiom-4 Mission Rescheduled for June 22 Following ISS Repairs

NASA plans to use the extra days to verify operations in the ISS’s Zvezda module after recent maintenance work

Overview

  • The Ax-4 mission has faced six launch postponements since its original May 29 date and is now set for no earlier than June 22.
  • Officials cited the need to assess performance in the aft segment of the Zvezda service module after recent repair work aboard the space station.
  • Commander Peggy Whitson and her three crewmates remain in quarantine at Florida’s Kennedy Space Center under medical and safety protocols.
  • The international crew includes India’s Shubhanshu Shukla, who will be the second Indian in space, alongside Poland’s Sławosz Uznański-Wiśniewski and Hungary’s Tibor Kapu.
  • During its 14-day stay, Ax-4 will conduct more than 60 scientific experiments contributed by 31 countries across human health, Earth observation and life sciences.