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s131e009235

December 30, 2011
S131-E-009235 (12 April 2010) --- Russian cosmonaut Alexander Skvortsov, Expedition 23 flight engineer, equipped with a bungee harness, exercises on the Combined Operational Load Bearing External Resistance Treadmill (COLBERT) in the Harmony node of the International Space Station while space shuttle Discovery remains docked with the station.