iss004e8044-9508212627-o

ISS004-E-8044 (20 February 2002) --- Astronaut Daniel W. Bursch, Expedition Four flight engineer, participates in the five-hour, 47-minute space walk on February 20, 2002. He moves near the oxygen and nitrogen tanks on the exterior of Quest Airlock. The square device (partially obscured by Bursch) on the Space Station Remote Manipulator System (SSRMS) or Canadarm2 is the Materials International Space Station Experiment (MISSE). The image was recorded with a digital still camera.