Apr 7 2005
From The Space Library
NASA announced that Space Shuttle Discovery had reached a major milestone, arriving at Launch Pad 39B at NASA's KSC in preparation for its Return to Flight Mission, scheduled for 15 May. Over more than two years, Discovery had undergone 41 major modifications in response to the Columbia accident, including the addition of the new sensor system at the far end of the orbiter boom; cameras and laser systems to inspect its thermal protection system while in space; sensors in the leading edge of its wings to monitor for debris impacts; and a new digital camera for viewing the external tank during launch. (NASA, “Space Shuttle Discovery at Launch Pad for Return to Flight,” news release 05-095, 7 April 2005, http://www.nasa.gov/home/hqnews/2005/apr/HQ_05095_Discovery_Roll_Out.html (accessed 29 June 2009).)
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