Expedition 4 crew member Carl E. Walz arrives at KSC in a T-38 jet trainer. He and other crew members Commander Yuri Onufrienko and astronaut Daniel W. Bursch will be traveling on Space Shuttle Endeavour - mission STS-108 - to replace the Expedition 3 crew. Top priorities for the STS-108 (UF-1) mission of Endeavour are rotation of the International Space Station Expedition Three and Expedition Four crews, bringing water, equipment and supplies to the station in the Multi-Purpose Logistics Module Raffaello, and completion of spacewalk and robotics tasks. The mission crew comprises Commander Dominic L. Gorie, Pilot Mark E. Kelly and Mission Specialists Linda A. Godwin and Daniel M. Tani. Liftoff is scheduled for 7:41 p.m. EST