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Crews to Complete Work with Leonardo

Published by Klaus Schmidt on Thu Apr 15, 2010 8:49 am via: NASA
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(NASA) – Space shuttle Discovery’s seven-member STS-131 crew will begin its day by unloading the last transfer items in the Leonardo Multi-Purpose Logistics Module and then closing the hatches between it and the Harmony node in preparation for its return to the shuttle’s payload bay.

Leonardo brought about six tons of material to the station and will return to Earth in Discovery’s cargo bay with about 2.5 tons from the station.

A portion of the aft section of the docked space shuttle Discovery (STS-131), Mexico, Baja California and the Gulf of California (Sea of Cortez) are featured in this image photographed by an Expedition 23 crew member on the International Space Station. Image credit: NASA

A portion of the aft section of the docked space shuttle Discovery (STS-131), Mexico, Baja California and the Gulf of California (Sea of Cortez) are featured in this image photographed by an Expedition 23 crew member on the International Space Station. Image credit: NASA

This is the final roundtrip to the station for the 21-foot-long, 15-foot-diameter Leonardo. Once back on Earth, the module will be reconfigured with increased shielding on the outside for the STS-133 mission in September when it will be left on the station as a permanent module.

Overnight International Space Station and Space Shuttle mission managers agreed there is no need for a fourth spacewalk to replace the nitrogen tank assembly that has a jammed valve. Station ground teams have determined the station can operate for an extended period of time in the current configuration. The team is continuing to troubleshoot the stuck valve and is looking at options for future replacement of the nitrogen tank assembly should that be necessary.

STS-131 is the 33rd shuttle mission to the station.

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