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The STS-100 crew walks out of the Operations and Checkout Building on their way to Launch Pad 39A and liftoff for an 11-day mission to the International Space Station. Leading in front are Pilot Jeffrey S. Ashby (left) and Commander Kent V. Rominger (right). Behind them are (left to right) Mission Specialists Umberto Guidoni, Yuri Lonchakov and Chris A. Hadfield. Following in the rear are Mission Specialists Scott E. Parazynski (left) and John L. Phillips (right). An international crew, Guidoni represents the European Space Agency, Lonchakov the Russian Aviation and Space Agency and Hadfield the Canadian Space Agency. Space Shuttle Endeavour and its crew will deliver and integrate the Spacelab Logistics Pallet/Launch Deployment Assembly, which includes the Space Station Remote Manipulator System and the UHF Antenna. The mission includes two planned spacewalks for installation of the SSRMS, which will be performed by Parazynski and Hadfield. The mission is also the inaugural flight of Multi-Purpose Logistics Module Raffaello, carrying resupply stowage racks and resupply/return stowage platforms. Liftoff of Space Shuttle Endeavour on mission STS-100 is scheduled at 2:41 p.m. EDT April 19