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During a Crew Equipment Interface Test, STS-103 Commander Curtis L. Brown Jr. (left) and Pilot Scott J. Kelly look at a replacement computer for the Hubble Space Telescope. The payload hardware is in the Payload Hazardous Servicing Facility. Other members of the crew are Mission Specialists Steven L. Smith, C. Michael Foale (Ph.D.), John M. Grunsfeld (Ph.D.), Claude Nicollier of Switzerland, and Jean-François Clervoy of France. Nicollier and Clervoy are with the European Space Agency. Mission STS-103 is a "call-up" due to the need to replace portions of the pointing system, the gyros, which ha…