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KENNEDY SPACE CENTER, FLA. -- The STS-111 and Expedition 5 crews relax at the traditional crew meal before getting ready for launch. Seated left to right are Mission Specialists Franklin Chang-Diaz and Philippe Perrin (CNES); cosmonauts Sergei Treschev (RSA) and Valeri Korzun (RSA) and astronaut Peggy Whitson, the Expedition 5 crew; Pilot Paul Lockhart and Commander Kenneth Cockrell. In front of them is the traditional cake. STS-111 is the second Utilization Flight to the International Space Station, carrying the Multi-Purpose Logistics Module Leonardo, the Mobile Base System (MBS), and a replacement wrist/roll joint for the Canadarm 2. Also onboard Space Shuttle Endeavour is the Expedition 5 crew who will replace Expedition 4 on board the Station. The MBS will be installed on the Mobile Transporter to complete the Canadian Mobile Servicing System, or MSS. The mechanical arm will then have the capability to "inchworm" from the U.S. Lab Destiny to the MSS and travel along the truss to work sites. Expedition 4 crew members will return to Earth with the STS-111 crew on Endeavour. Launch is scheduled at 7:44 p.m. EDT, May 30, 2002