Mark Carreau
October 28, 2025

The seven-member Expedition 73 crew.

Expedition 73 crew: Front row: cosmonauts Alexey Zubritsky and Sergey Ryzhikov; astronaut Jonny Kim. Back row: Japan’s Kimiya Yui; cosmonaut Oleg Platonov; NASA’s Zena Cardman and Mike Fincke.

Credit: NASA

Two cosmonauts conducted a 7-hr., multitask spacewalk outside the Russian segment of the International Space Station (ISS) on Oct. 28, their second excursion together within two weeks. Working on the exterior of the Nauka multipurpose laboratory module, ISS Expedition 73 commander Sergey Ryzhikov…

Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America’s space program through news reporting.

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