Axiom Mission 4 crew members Peggy Whitson and Sławosz Uznański-Wiśniewsk

iss073e0251619 (June 26, 2025) --- Axiom Mission 4 crew members Peggy Whitson (foreground) from Axiom Space and Sławosz Uznański-Wiśniewski from ESA (European Space Agency) work inside the International Space Station's Columbus laboratory module. The private astronaut duo swapped research hardware supporting the Space Volcanic Algae biotechnology study and the Experiment Cube #25 data processing and algorithm investigation.