From: Johnson Space Center
Posted: Saturday, July 16, 2011
Space shuttle Atlantis' General Purpose Computer (GPC) 4 has been activated to allow data processing engineers in Mission Control to perform diagnostic tests. The GPC, which had been in a standby mode since its recovery from a failure earlier in the mission, has been added back to the common set, along with GPCs 1 and 2. The diagnostic tests may help engineers learn what caused the failure.
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