(07/19/2001) -- Expedition Three crew member Mikhail Tyurin, a cosmonaut with the Russian Aviation and Space Agency, checks out the slidewire basket at Launch Pad 39A. At right is STS-105 Pilot Rick Sturckow. Both crews are at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress, a simulated launch countdown and familiarization with the payload. Mission STS-105 will be transporting the Expedition Three crew, several payloads and scientific experiments to the International Space Station aboard Discovery. The current Expedition Two crew members on the Station will return to Earth on Discovery. Launch of Discovery is scheduled no earlier than Aug. 9, 2001