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June 9, 2011
The attire of Robert D. Cabana, left, and Sergei Krikalev stands out brightly against the whiteness of the pressurized mating adapter (PMA) connected to the Russian-built Zarya module. Cabana, mission commander, and the mission specialist representing the Russian Space Agency (RSA) were joined by crew mates on this day in installing needed equipment aboard Zarya and the U.S.-built Unity connecting module.