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December 31, 2008
We moved the Orbiter out of the vacuum chamber and back to the clean room on December 22nd. We are now running through the Orbiter comprehensive performance test (CPT), comparing results to the CPT we ran before environmental testing, making sure the environments did not change anything. As of 4am today, we completed the propulsion performance test, with everything looking fine. We will pick back up with the testing on January 2nd. Happy New Year to all!
Here is the Orbiter being lifted out of the thermal vacuum chamber.
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Here is the Orbiter back in the clean room. The purge lines provide clean nitrogen, keeping contaminants and oxygen out of the sensitive instruments.
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Thermal Vacuum Testing 
