KENNEDY SPACE CENTER, FLA. -- Astronaut Peggy Whitson (center), along with other Expedition 5 members Commander Valeri Korzun (left) and cosmonaut Sergei Treschev (right), speaks to the media before departing KSC after completing Terminal Countdown Demonstration Test activities that include emergency egress training and a simulated launch countdown. Expedition 5 will travel to the International Space Station on mission STS-111 as the replacement crew for Expedition 4, who will return to Earth aboard the orbiter. Mission STS-111 is known as Utilization Flight 2, carrying supplies and equipment in the Multi-Purpose Logistics Module Leonardo to the International Space Station. The payload also includes the Mobile Base System, which will be installed on the Mobile Transporter to complete the Canadian Mobile Servicing System, or MSS, and a replacement wrist/roll joint for Canadarm 2. 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. Launch is scheduled for May 30, 2002 KSC-02pd0729