(09/10/1997) --- STS-86 Mission Specialists Vladimir Georgievich Titov of the Russian Space Agency, at left, and Scott E. Parazynski practice emergency egress procedures in a slidewire basket as part of Terminal Countdown Demonstration Test (TCDT) activities at Launch Pad 39A. Titov and Parazynski are scheduled to perform a spacewalk during the STS-86 mission, which will be the seventh docking of the Space Shuttle with the Russian Space Station Mir. Liftoff of the Space Shuttle Atlantis on Mission STS-86 is targeted for Sept. 25