On June 25, 2025, at 8:31 AM (CET), the Ax-4 mission to the International Space Station (ISS) will launch — with Dr. Sławosz Uznański-Wiśniewski on board. He will become the second Pole in history to travel into space.
The Ax-4 mission, organized by Axiom Space, will lift off from Kennedy Space Center in Florida aboard a SpaceX Falcon 9 rocket. Docking with the ISS is scheduled for June 26 around midday.
The four-member crew includes:
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Peggy Whitson (USA) – Mission Commander
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Shubhanshu Shukla (India) – Pilot
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Tibor Kapu (Hungary) – Mission Specialist
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Dr. Sławosz Uznański-Wiśniewski (Poland) – Mission Specialist
The astronauts will spend 14 days aboard the ISS, conducting a variety of experiments in microgravity, Earth observation and new fuel technologies.
As part of the IGNIS mission, Dr. Uznański-Wiśniewski will carry out 13 scientific experiments spanning technology, biology, medicine, and psychology. His participation is the result of a cooperation agreement between the Polish Ministry of Development and Technology and the European Space Agency (ESA), with support from the Polish Space Agency (POLSA).
Watch the live broadcast of the Polish astronaut’s flight to space:
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