ISS013-E-84358 (26 Sept. 2006) --- Astronaut Michael E. Lopez-Alegria (right), Expedition 14 commander and NASA space station science officer, works at the Space Station Remote Manipulator System (SSRMS) or Canadarm2 workstation in the Destiny laboratory of the International Space Station. Astronaut Jeffrey N. Williams, Expedition 13 NASA space station science officer and flight engineer, is at left.