(01/23/1997) -- STS-82 crew members are all smiles as they pose for a group photo at Launch Pad 39A in front of the Space Shuttle Discovery. They are participating in the Terminal Countdown Demonstration Test (TCDT), a dress rehearsal for launch. In the front row, from left, are Mission Specialists Steven L. Smith, Gregory J. Harbaugh and Steven A. Hawley. Standing in the back row, from left, are Joseph R. 'Joe' Tanner, Payload Commander Mark C. Lee, Mission Commander Kenneth D. Bowersox and Pilot Scott J. 'Doc' Horowitz. STS-82 will be the second Hubble Space Telescope servicing mission. Liftoff is targeted for Feb. 11