Expedition 73 Flight Engineers Kimiya Yui and Jonny Kim

iss073e1199016 (Nov. 20, 2025) --- Expedition 73 Flight Engineers (from left) Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) and Jonny Kim of NASA work together swapping thermal control system hoses on the COLBERT treadmill located inside the Tranquility module. The pair temporarily uninstalled the station’s bathroom, or waste and hygiene compartment, to access the life support hoses.