ISS008-E-21991 (22 April 2004) --- Cosmonaut Gennady I. Padalka (left), Expedition 9 commander, and European Space Agency (ESA) astronaut Andre Kuipers of the Netherlands, work with one of experiments of the Dutch Expedition for Life Science, Technology and Atmospheric (DELTA) Research in the Unity node of the International Space Station (ISS). Padalka represents Russia�s Federal Space Agency.