Astronaut Drew Feustel works in the vacuum of space during the first of four spacewalks during the STS-134 mission of Space Shuttle Endeavour to the International Space Station. Working early in the morning of Fri., May 20, 2011, Feustel and Astronaut Greg Chamitoff successfully installed antennas for the External Wireless Communication system, routing cables, setting up the antenna, installing handrails, and connecting power cables during this spacewalk. This was the 245th spacewalk conducted by U.S. astronauts and was Feustel's fourth spacewalk. Image Credit: NASA
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