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August 17, 2011
Computer-generated artists rendering of the Space Shuttle Discovery docked to the International Space Station. This angle shows the position of the shuttle robotic system that allows astronauts to get on the end of the boom for a test of the 50-foot robotic arm boom extension, usually used for remote shuttle Thermal Protection System (TPS) inspections, as a potential work platform for hard-to-reach repair sites on the bottom of the orbiter for Detailed Test Objective (DTO) 849. The test is scheduled to be conducted during the first spacewalk of STS-121.

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