page_title: Sergey Volkov (cosmonaut)
section_title: Spacewalks
hierarchical_section_title: Sergey Volkov (cosmonaut) / Cosmonaut career / Spacewalks
caption_attribution_description: English: Russian Federal Space Agency cosmonaut Sergei Volkov, Expedition 17 commander, participates in a session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the five-hour, 54-minute spacewalk, Volkov and cosmonaut Oleg Kononenko (out of frame), flight engineer, continued to outfit the station's exterior, including the installation of a docking target on the Zvezda Service Module.
context_page_description: Sergey Aleksandrovich Volkov is a retired Russian cosmonaut and engineer. He was a member of three missions to the International Space Station, spending more than a year in total in space. During his missions he did four spacewalks lasting more than 23 hours in total.
  Volkov retired from the Cosmonaut group in February 2017.
context_section_description: Volkov conducted his first spacewalk on July 10, 2008 when he ventured into space from the Pirs docking compartment airlock of the ISS. He and cosmonaut Kononenko inspected their Soyuz TMA-12 spacecraft and retrieved a pyro bolt from it. The spacewalk lasted 6 hours and 18 minutes and Volkov served as the lead spacewalker.
  On July 15, 2008, Volkov together with Kononenko again went outside from Pirs to conduct a spacewalk. The two spacewalking cosmonauts installed one experiment and retrieved another. They also continued to outfit the station's exterior, including the installation of a docking target on the Zvezda service module. The spacewalk was in Russian Orlan suits and Volkov, as the lead spacewalker wore the suit with red stripes. This spacewalk lasted 5 hours and 54 minutes.
  An EVA by Volkov and crewmate Aleksandr Samokutyayev occurred on August 3, 2011 to move a small crane, install a communications terminal and remove and inspect antennas. Other tasks included installing a materials science experiment and deploying a micro-satellite. The duration of the spacewalk was 6 hours 23 minutes.
  The fourth EVA of Volkov's career was during Expedition 46, with veteran cosmonaut Yuri Malenchenko. The spacewalkers performed works with the experiment Test at two locations: they took away samples from the outer surface of the docking compartment Pirs hatch and in the area of the cover window #8 at the service module Zvezda. The goal of the experiments was to develop methods for detecting leaks and control of elements of the exterior surface of the ISS.
  The cosmonauts also dismantled a monoblock responsible for exposing samples of organic and biological materials in open space (experiment Expose-R) and set the unit samples #2 from an experiment for the study of space influence on the mechanical properties of materials. At the same module, they had to replace a removable cassette container, where the samples are placed on the exterior of stations in conditions of prolonged exposure, change the orientation of the pressure control unit on the module Poisk.
  One of the important tasks were works on an experiment with the goal to develop technologies for sticking film thermal control coating, secure package screen-vacuum thermal insulation on the surface to be repaired and transactions that require bonding film materials in space flight.
  For more convenient travel on the outer surface of the ISS the spacewalkers installed handrails on the soft part of the conical device of the Functional Cargo Block Zarya. Upon completion of the main tasks, the cosmonauts started a photo documentation of the external surface of the ISS Russian segment. The spacewalk concluded after 4 hours 45 minutes.
caption: On July 15, 2008, Volkov participated in his second spacewalk.
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