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Shuttle Mission: STS-111
Orbiter: Endeavour
Date: June 5, 2002

Did you know?

Not all payloads are carried to orbit inImage: Montage of images including the Space Shuttle and American Flag the Shuttle's cargo bay. In-cabin payloads are carried in the Shuttle's middeck. Cargo bay payloads are typically large payloads, such as satellites and Space Station modules, which do not require a pressurized environment. In contrast, in-cabin payloads are generally smaller, and are not usually designed for an unpressurized environment like the cargo bay.

Image:  Overhead cranes lower the Mobile Base System.
Overhead cranes lower the Mobile Base System onto the weight and center of gravity stand in the Space Station Processing Facility.

Image:  Multi-Purpose Logistics Module Leonardo.
In the Space Station Processing Facility,the Multi-Purpose Logistics Module Leonardo is lifted from a workstand and moved to the payload canister.

STS-111 Payloads


International Space Station Flight UF-2

Mobile Base System

The Mobile Base System, or MBS, is the second part of the International Space Station's three-piece Mobile Servicing System. The MBS is a work platform that moves along rails on the International Space Station's Integrated Truss Structure. It will provide lateral mobility for Canadarm2, the station's robot arm, as it traverses the main trusses.

The MBS is slated to be attached to the Mobile Transporter on Flight Day 6. STS-111 spacewalkers will make power, data and video cable connections and bolt it to the transporter during the mission's second spacewalk on Flight Day 7. On Flight Day 8, the MBS will be checked out.

Leonardo

The Leonardo Multi-Purpose Logistics Module will be making its third trip to the International Space Station during STS-111. Leonardo is one of three Multi-Purpose Logistics Modules, or MPLMs, built by the Italian Space Agency that serve as pressurized, reusable cargo carriers to ferry supplies, equipment and experiments between the ground and the space station.

During STS-111, Leonardo will contain about 2,540 kilograms (5,600 pounds) of cargo, including eight Resupply Stowage Racks, five Resupply Stowage Platforms, two International Stowage Racks and two new scientific experiment racks for the station. The new science rack, EXPRESS Rack 3, will increase the orbital outpost's science capabilities. The other scientific rack is the Microgravity Science Glovebox. Other cargo includes supplies and equipment for the station's new residents, the Expedition Five crew.

Leonardo will be lifted out of Space Shuttle Endeavour's cargo bay and installed onto the station's Unity Node on Flight Day 4. The MPLM, which will be filled with items returning to Earth, is scheduled to be returned to the payload bay on Flight Day 10.

 


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Page Last Revised Page & Curator Information
June 21, 2002 Online coverage by: Dennis Armstrong (NASA), Anna Heiney (IDI)
Web Development: Lynda Warnock & Debbie Barton (FDC)
Video Production: Chris Chamberland (Photobition)
Countdown Clock by: Jim Fitzgerald (FDC)
NASA Official: Dennis Armstrong (Dennis.Armstrong-1@ksc.nasa.gov)

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