(12/17/1999) --- STS-103 crew members head back to the Operations and Checkout Building after the launch of Space Shuttle Discovery was scrubbed due to unfavorable weather conditions. In the lead (right) is Mission Specialist C. Michael Foale (Ph.D.), followed by Mission Specialists Jean-Francois Clervoy of France, John M. Grunsfeld (Ph.D.), Claude Nicollier of Switzerland and Steven L. Smith. Other crew members are Commander Curtis L. Brown Jr. and Pilot Scott J. Kelly. Nicollier and Clervoy are with the European Space Agency. The STS-103 mission, to service the Hubble Space Telescope, is rescheduled for launch Dec. 18 at 8:21 p.m. EST from Launch Pad 39B. Mission objectives include replacing gyroscopes and an old computer, installing another solid state recorder, and replacing damaged insulation in the telescope. After the 7-day, 21-hour mission, Discovery is expected to land at KSC Sunday, Dec. 26, at about 6:00 p.m. EST