Russian cosmonauts Roman Romanenko (bottom) and Pavel Vinogradov float outside the International Space Station on April 19, 2013, during the first spacewalk of their Expedition 35 mission. The two men will spend six hours upgrading the station's exterior experiments. [See full story.]
This still shows Russian cosmonaut Roman Romanenko beginning a spacewalk on April 19.
Expedition 35 flight engineers Pavel Vinogradov and Roman Romanenko (floating at lower left) worked outside the International Space Station on April 19, 2013.
The Obstanovka experiment (rust-colored box) floats in space during a spacewalk taken by cosmonauts Pavel Vinogradov and Roman Romanenko on April 19, 2013, as seen by a cosmonaut's helmet camera.
One Russian spacewalker takes a photo of the other (waving) outside the International Space Station on April 19, 2013.
A Russian spacewalker takes a photo of work performed outside the International Space Station on April 19, 2013. The blue Earth shines below.
Cosmonauts Vinogradov and Romanenko, flight engineers of Expedition 35, conducted a spacewalk outside the International Space Station on April 19, 2013. This image was taken about 3 hours into the spacewalk. [See full story.]
Russian cosmonaut Pavel Vinogradov floats outside the International Space Station near the end of a 6.5-hour spacewalk on April 19, 2013. Vinogradov, 59, became the world's oldest spacewalker during the excursion.
Expedition 35 flight engineers Pavel Vinogradov and Roman Romanenko of the Russian Federal Space Agency worked outside the International Space Station for 6 hours, 38 minutes on Friday. The hatch of the Pirs docking module is seen closing here at the conclusion of the spacewalk. [See full story.]
Cosmonauts Vinogradov and Romanenko, flight engineers of Expedition 35, conducted a spacewalk outside the International Space Station on April 19, 2013. [See full story.]
One of the Expedition 35 crew members aboard the Earth-orbiting International Space Station photographed this night image of Monterrey, Mexico on April 15, 2013.
One of the Expedition 35 crew members aboard the Earth-orbiting International Space Station photographed this night image of Tripoli, Libya on April 18, 2013.
Expedition 35 Russian cosmonaut Pavel Vinogradov, fully equipped with an Orlan EVA suit, participates in a "dry run" of the first spacewalk of the Expedition 35 mission, scheduled for April 19. Image taken April 17, 2013.
Expedition 35 Russian cosmonaut Roman Romanenko translates outside the International Space Station on April 19, 2013, during the first spacewalk of the Expedition 35 mission.
Russian cosmonauts Roman Romanenko (left) and Pavel Vinogradov, Expedition 35 flight engineers, are seen in the Zvezda service module aboard the International Space Station just prior to an April 19, 2013 space walk.
Expedition 35 Russian cosmonaut Roman Romanenko translates outside the International Space Station on April 19, 2013, during the first spacewalk of the Expedition 35 mission.
Russian cosmonaut Romanenko and Pavel Vinogradov (out of frame) went on to spend about six hours upgrading the station's exterior hardware on April 19, 2013.
Expedition 35 Russian cosmonaut Roman Romanenko translates outside the International Space Station on April 19, 2013, during the first spacewalk of the Expedition 35 mission.
In the Harmony node aboard the International Space Station, NASA astronaut Chris Cassidy works with the Capillary Flow Experiment (CFE). Image taken April 18, 2013.
Prior to the first extravehicular activity of Expedition 35, Russian cosmonaut Pavel Vinogradov, flight engineer, is seen in the International Space Station's Zvezda service module transfer compartment, as photographed from Poisk, looking through the transfer compartment and toward Pirs. Image taken April 19, 2013.
Expedition 35 Russian cosmonaut Roman Romanenko translates outside the International Space Station on April 19, 2013, during the first spacewalk of the Expedition 35 mission.
Expedition 35 Russian cosmonaut Pavel Vinogradov translates outside the International Space Station on April 19, 2013, during the first spacewalk of the Expedition 35 mission.
Expedition 35 Russian cosmonaut Pavel Vinogradov translates outside the International Space Station on April 19, 2013, during the first spacewalk of the Expedition 35 mission.
Russian cosmonaut Romanenko and Pavel Vinogradov (out of frame) went on to spend about six hours upgrading the station's exterior hardware on April 19, 2013.
Russian cosmonaut Romanenko and Pavel Vinogradov (out of frame) went on to spend about six hours upgrading the station's exterior hardware on April 19, 2013.