NASA astronaut Sunita Williams, Expedition 32 flight engineer, during her mission’s third spacewalk. During the six-hour, 28-minute spacewalk on 5 September 2012, Sunita and JAXA astronaut Aki Hoshide completed repair of the Main Bus Switching Unit that regulated power supply to the International Space Station. They also installed a camera on the Station’s robotic arm, Canadarm2.

In the background on the right ESA’s Columbus laboratory is visible.