Expedition 73
From Spacefaring
Expedition 73 is the 73rd long-duration expedition to the International Space Station (ISS). The expedition began with the departure of Soyuz MS-26 on 19 April 2025 with JAXA astronaut Takuya Onishi taking over the ISS command and is expected to conclude with the undocking of Soyuz MS-27 on 9 December 2025. It continues the extensive scientific research conducted aboard the ISS, focusing on various fields, including biology, human physiology, physics, and materials science. The crew members also maintain and upgrade the space station systems.
iss073-s-001 (July 15, 2024) --- The official insignia of the Expedition 73 crew on the International Space Station. Credit: NASA
iss073-s-002b (Oct. 16, 2024) --- The updated official portrait of the International Space Station's seven-member Expedition 73 crew from three different space agencies. Seated in the front row are NASA astronauts Mike Fincke and Zena Cardman.
iss073-s-002 (Oct. 16, 2024) --- The official portrait of the International Space Station's seven-member Expedition 73 crew from three different space agencies. Seated in the front row from left, are NASA astronauts Nichole Ayers and Anne McClain.





