Astronaut Mike Barratt swaps sample cartridges inside the Materials Science Laboratory

iss071e522745 (Aug. 19, 2024) --- NASA astronaut and Expedition 71 Flight Engineer Mike Barratt swaps sample cartridges inside the Materials Science Laboratory (MSL), a research furnace facilitating discoveries of new and improved materials as well as new uses for existing materials such as metals, alloys, polymers, and more. The MSL is located inside the International Space Station's Destiny laboratory module.