KENNEDY SPACE CENTER, Fla. -- The STS-105 crew poses at Launch Pad 39A after training exercises. Pictured (left to right), Mission Specialists Patrick Forrester and Daniel Barry, Commander Scott Horowitz and Pilot Rick Sturckow. They are taking part in Terminal Countdown Demonstration Test activities, along with the Expedition Three crew. The training includes 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 Space Shuttle Discovery, which is seen in the background. 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