ISS014-E-09879 (14 Dec. 2006) --- Cosmonaut Mikhail Tyurin (foreground), Expedition 14 flight engineer representing Russia's Federal Space Agency, and European Space Agency (ESA) astronaut Thomas Reiter, STS-116 mission specialist, work with the Direct Current-to-Current Converter Unit (DDCU-2) rack during reconfiguration activity while Space Shuttle Discovery was docked with the station.