JAXA astronaut Takuya Onishi swaps combustion research hardware inside the Kibo laboratory module

iss073e0030301 (May 13, 2025) --- JAXA (Japan Aerospace Exploration Agency) astronaut and Expedition 73 Commander Takuya Onishi swaps research hardware inside the Kibo laboratory module's solid combustion experiment module. Combustion research aboard the International Space Station helps researchers understand how fuels burn in space, design safer spacecraft, develop new materials, and more aboard the orbital outpost.