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Russian Cosmonauts performed a spacewalk.
On June 24, 2013 Russian Cosmonauts Fjodor Yurchikhin and Alexander Misurkin performed a 6 hours and 34 minutes spacewalk. The hatches were opened at 13:32 UTC. The cosmonauts conducted extravehicular activity to prepare for the addition of a new Russian module later in 2013. Misurkin made his first spacewalk this time, whereas for Yurchikhin, it was his sixth EVA. The cosmonauts replaced an aging fluid flow control panel on the International Space Station’s Zarya module as preventative maintenance on the cooling system for the station’s Russian segment. They also installed clamps for future power cables to get ready for swapping the Pirs airlock with a new multipurpose laboratory module. The "Roscosmos” Russian Federal Space Agency is expected to launch a research facility, airlock and docking port late in 2013 on a Proton rocket.