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	+ Home   Choose another category:   + Life on Earth + Exploring the Universe As of April 2005, Space Shuttle and Station crews have spent more than 348 hours -- equivalent to two weeks -- spacewalking on the International Space Station. + More NASA Facts...		+ NASA Home > Humans in Space > Main Features       Space Shuttle Visit the space shuttle site for up-to-date information on current, future and past shuttle missions. + View site     International Space Station Visit the international space station site for up-to-date information about the orbital outpost. + View site         Shuttle "Go" for Dec. 6 Launch Commander Steve Frick and the Atlantis Crew will deliver the Columbus module to the International Space Station. + Space Shuttle Section     Quick Look Enables On-Time Launch Launch managers now have digital images directly from the launch pad. + Read More     Whitson, Tani Complete Successful Spacewalk + Space Station Section     Columbus Poised for Research Breakthroughs The Columbus laboratory gives European researchers a foothold in orbit. + Read More     NASA Tests Lunar Habitat in Extreme Antarctic + Exploration Section     + View Archives         NASA Human Space Flight Visit NASA's Human Space Flight Web site to learn more about past shuttle and space station missions. + Visit the website     America's Space Port Visit the Kennedy Space Center Web site to learn more about how humans get into space. + Visit the website     Space Station Science Learn more about the science experiments being conducted aboard the International Space Station. + Visit the website         International Space Station An inhabited Earth satellite that more than 15 nations are building in space. + View site         Memorial Day Message From the Space Station We honor the sacrifices of the men and women who serve our country… and those who have given their lives in the name of freedom. + View Video     Expedition 14 Gallery Visit the Expedition 14 photo gallery. + View     Expedition 13 Gallery Visit the Expedition 13 photo gallery. + View     Astronaut Training + View this interactive feature
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