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Spacewalkers Fix Space Station Power Unit (Photos)

Astronaut Hoshide Waves from ISS Arm

NASA

Anchored to the International Space Station's robotic arm, Japanese astronaut Akihiko Hoshide, participates in a spacewalk on Sept. 5, 2012. During the six-hour, 28-minute spacewalk, Hoshide and NASA astronaut Sunita Williams (out of frame) completed the installation of a replacement power unit.

Astronaut Hoshide on ISS Spacewalk

NASA

Japanese astronaut Akihiko Hoshide is pictured during a spacewalk on Sept. 5, 2012. During the six-hour, 28-minute spacewalk, Hoshide and NASA astronaut Sunita Williams (out of frame) fixed a critical station power unit and installed a camera on the outpost's robotic arm.

Clouds on Earth from ISS

NASA

Japanese spaceflyer Akihiko Hoshide works on the exterior of the International Space Station during a spacewalk on Sept. 5, 2012. A cloud-covered part of Earth is visible in the background.

Reflection of ISS Astronaut in a Helmet

NASA

Japanese astronaut Akihiko Hoshide uses a digital still camera to expose a photo of his helmet visor during a spacewalk on Sept. 5, 2012. The bright sun is visible at left. During the six-hour, 28-minute spacewalk, Hoshide and NASA astronaut Sunita Williams (visible in the reflections of Hoshide's helmet visor) fixed part of the International Space Station's power system and installed a camera on the outpost's robotic arm.

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