The STS-113 and Expedition 6 crews exit the Operations and Checkout Building on their way to Launch Pad 39A and liftoff of Space Shuttle Endeavour. From front to back are Expedition 6 Commander Ken Bowersox and Mission Commander James Wetherbee; Pilot Paul Lockhart and Mission Specialist Michael Lopez-Alegria; Mission Specialist John Herrington and Expedition 6 flight engineer Nikolai Budarin; and flight engineer Donald Pettit. The primary mission is bringing the Expedition 6 crew to the Station and returning the Expedition 5 crew to Earth. The major objective of the mission is delivery of the Port 1 (P1) Integrated Truss Assembly, which will be attached to the port side of the S0 truss. Three spacewalks are planned to install and activate the truss and its associated equipment. Launch of Space Shuttle Endeavour on mission STS-113 is scheduled for Nov. 11 at 12:58 a.m. EST.