Astronauts Takuya Onishi and Nichole Ayers replace components on an experimental carbon dioxide removal device

iss073e0118793 (May 27, 2025) --- Astronauts Takuya Onishi of JAXA (Japan Aerospace Exploration Agency) and Nichole Ayers of NASA, Expedition 73 Commander and Flight Engineer respectively, replace components on an experimental carbon dioxide removal device aboard the International Space Station. Also called the Thermal Amine Scrubber, the advanced life support mechanism is testing a new method that removes carbon dioxide from the station’s atmosphere and recovers water for oxygen generation.