Mission Specialist John M. Grunsfeld and his wife Carol pose for a photograph at Launch Pad 39B.

STS-103 Mission Specialist John M. Grunsfeld and his wife, Carol, pose for a photograph at Launch Pad 39B during a meeting of the STS-103 crew with their family and friends. In the background are lights on the Fixed Service Structure, next to Space Shuttle Discovery. The STS-103 mission, to service the Hubble Space Telescope, is scheduled for launch Dec. 17 at 8:47 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. The mission is expected to last about 8 days and 21 hours. Discovery is expected to land at KSC Sunday, Dec. 26, at about 6:25 p.m. EST