JSC2000-07405 (1 Dec. 2000) --- Astronauts Jeffrey S. Ashby (left), STS-100 pilot, and Umberto Guidoni, mission specialist representing the European Space Agency (ESA), use remote monitors to watch the spacewalk simulation by crewmates Scott E. Parazynski and Chris A. Hadfield at the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center.