Space Shuttle Discovery Launch NASA Yard Sign
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![Space Shuttle Discovery Launch NASA Yard Sign Space Shuttle Discovery Launch NASA Yard Sign](https://rlv.zcache.com/space_shuttle_discovery_launch_nasa_yard_sign-r08a5df8183e5466e866ac4b176d98a5a_fomuz_500.jpg?rlvnet=1)
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Space Shuttle Discovery on the launch pad is one of the orbiters from NASA 's Space Shuttle program and the third of five fully operational orbiters to be built. Its first mission, STS-41-D, flew from August 30 to September 5, 1984 and its last mission was March 9, 2011.