(07/19/2001) -- The STS-105 and Expedition Three crews pose in the White Room on Launch Pad 39A. Standing are (left to right) Pilot Rick Sturckow, Mission Specialist Patrick Forrester, Commander Scott Horowitz and Mission Specialist Daniel Barry. Kneeling are cosmonaut Mikhail Tyurin, Commander Frank Culbertson and cosmonaut Vladimir Nikolaevich Dezhurov. Tyurin and Dezhurov are with the Russian Aviation and Space Agency. 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