At the Johnson Space Center, astronauts Drew Feustel, Mike Fincke and Greg Chamitoff have been making final preparations for their upcoming spacewalks on STS-134. In this episode of "NASA Behind the Scenes," Feustel and Fincke talk about the mission and how they're getting ready for the last scheduled spacewalks by a shuttle crew. Fincke also explains the differences between Russian and American spacesuits.
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