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S133-E-008818 (5 March 2011) --- NASA astronaut Steve Bowen, STS-133 mission specialist, signs the STS-133 patch, which was added to the growing collection of insignias representing crews who performed spacewalks from the Quest airlock of the International Space Station. NASA astronaut Nicole Stott, mission specialist, looks on. Photo credit: NASA or National Aeronautics and Space Administration
