ISS023-E-052321 (26 May 2010) --- Russian cosmonaut Oleg Kotov, Expedition 23 commander, equipped with a bungee harness, prepares to exercise on the Combined Operational Load Bearing External Resistance Treadmill (COLBERT) in the Tranquility node of the International Space Station.
Photographer Soichi Noguchi
Date May 26, 2010