Stock Photo - 01/10/1998 ___ Standing in a slidewire basket at KSC’s Launch Pad 39A is STS_89 Mission Specialist James Reilly, Ph.D. The seven astronauts of STS_89 assigned to the eighth Shuttle_Mir docking flight are completing Terminal Countdown Demonstration Test TCDT activities at Kennedy Space Center. A dress rehearsal for launch, the TCDT includes emergency egress training at the launch pad and culminates with a simulated countdown. STS_89 Mission Specialist Andrew Thomas, Ph.D, will transfer to the Russian Space Station Mir and succeed David Wolf, M.D., who will return to Earth aboard Endeavour. The Space Shuttle Endeavour is undergoing preparations for liftoff, scheduled for Jan. 22. Dr. Thomas will live and work on Mir until June