The STS-113 and Expedition 6 crews head for the Astrovan to take them to Launch Pad 39A for a simulated launch countdown. From left are STS-113 Mission Specialist Michael Lopez-Alegria, Expedition 6 astronaut Donald Pettit and cosmonaut Nikolai Budarin, Mission Specialist John Herrington and Pilot Paul Lockhart, Expedition 6 Commander Ken Bowersox and STS-113 Commander James Wetherbee. . The countdown is part of Terminal Countdown Demonstration Test activities prior to launch. The 16th assembly flight to the International Space Station, STS-113 will carry the Port 1 (P1) truss aboard Space Shuttle Endeavour as well as the Expedition 6 crew, who will replace Expedition 5 on the Station. Mission STS-113 is scheduled to launch Nov. 10, 2002.