Yurchikhin during a session of EVA on Expedition 15

ISS015-E-10870 (6 June 2007) --- Cosmonaut Fyodor N. Yurchikhin, Expedition 15 commander representing Russia's Federal Space Agency, wearing a Russian Orlan spacesuit, participates in a session of extravehicular activity (EVA). Among other tasks, Yurchikhin and cosmonaut Oleg V. Kotov (out of frame), flight engineer representing Russia's Federal Space Agency, completed the installation of 12 more Zvezda Service Module debris panels and installed sample containers on the Pirs Docking Compartment for a Russian experiment, called Biorisk, which looks at the effect of space on microorganisms.