ESA (European Space Agency) astronaut Samantha Cristoforetti in the International Space Station's Cupola module guides the Canadarm2 robotic arm (visible through window) remotely on Apr. 7, 2015. She and her Expedition 43 crewmates will use this to grapple the SpaceX Dragon CRS-6 spacecraft upon its arrival. Dragon has over 2 tons of equipment, supplies, and science experiments on board for transfer to the station.