Cosmonaut Outside International Space Station

A Russian spacewalker floats (partially obscured) outside the International Space Station on June 24, 2013 (EDT).

A cosmonaut brings a piece of equipment along with him (top center) as he maneuvers outside the International Space Station, June 24, 2013.

Two Russian spacewalkers exited the International Space Station on June 24, 2013 (EDT) for a spacewalk. One of them is seen at upper right. During the spacewalk, Flight Engineers Fyodor Yurchikhin and Alexander Misurkin will replace a fluid flow control valve panel on the Zarya module, test Kurs automated docking cables for the arrival of a new Russian laboratory module later this year and install clamps to later hold cables bringing power from the U.S. segment of the station to that new Russian module.

A view from a helmet camera one of the Russian cosmonauts shows the other Russian cosmonaut working outside the International Space Station on June 24, 2013 (EDT)

Two Russian cosmonauts ventured outside the International Space Station on June 24, 2013 to prepare the station's exterior for the arrival of a new Russian module.

Components and equipment of the International Space Station floats in front of a cosmonaut's helmet during a spacewalk on June 24, 2013 (EDT).

Russian cosmonauts Alexander Misurkin and Fyodor Yurchikhin finish replacing a fluid control valve panel on the outside of the International Space Station on June 24, 2013.

Russian cosmonaut Fyodor Yurchikhin catches sight of fellow cosmonaut Alexander Misurkin as they install a new piece of science hardware on the outside of the International Space Station. Image released on June 24, 2013.

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Photos: Cosmonauts Spacewalk Outside Space Station - June 24, 2013