Blue mach diamonds appear behind the main engine nozzles on Space Shuttle Endeavour as it roars off the launch pad on mission STS-113. Liftoff from Launch Pad 39A occurred ontime at 7:49:47 p.m. EST. The launch is the 19th for Endeavour, and the 112th flight in the Shuttle program. Mission STS-113 is the 16th assembly flight to the International Space Station, carrying another structure for the Station, the P1 integrated truss. Also onboard are the Expedition 6 crew, who will replace Expedition 5. Endeavour is scheduled to land at KSC after an 11-day journey.