Astronaut Luca Parmitano during the third spacewalk to upgrade the AMS

iss061e064794 (Dec. 2, 2019) --- ESA (European Space Agency) astronaut Luca Parmitano, attached to the Canadarm2 robotic arm, carries the new thermal pump system that was installed on the Alpha Magnetic Spectrometer (AMS) during the third spacewalk to upgrade the AMS, the International Space Station's cosmic particle detector.