The remaining payload bay door begins to close. Visible is the Multi-Purpose Logistics Module Leonardo, last to be installed in Endeavour. The Shuttle is poised for launch on mission STS-111, Utilization Flight 2, carrying supplies and equipment to the International Space Station. The payload includes the Multi-Purpose Logistics Module Leonardo, the Mobile Base System, which will be installed on the Mobile Transporter to complete the Canadian Mobile Servicing System, and a replacement wrist/roll joint for Canadarm 2. Also part of the mission, Expedition 5 will travel to the Station as the replacement crew for Expedition 4, who will return to Earth aboard the orbiter. Launch is scheduled for May 30, 2002.