(03/22/2001) -- The afternoon sun streaming through the Fixed Service Structure throws grid-like shadows over Space Shuttle Endeavour after arriving on Launch Pad 39A. In the background is seen the deep blue of the Atlantic Ocean. Endeavour is expected to lift off on mission STS-100 on April 19, carrying the Multi-Purpose Logistics Module Raffaello and the Canadian robotic arm, SSRMS, to the International Space Station