S100-E-5356 (25 April 2001) --- Astronaut Umberto Guidoni, STS-100 mission specialist representing the European Space Agency (ESA), works out on a bicycle ergometer on the middeck of the Space Shuttle Endeavour.
S100-E-5356 (25 April 2001) --- Astronaut Umberto Guidoni, STS-100 mission specialist representing the European Space Agency (ESA), works out on a bicycle ergometer on the middeck of the Space Shuttle Endeavour.