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Image: STS-122 tanking test TDR

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Description: On Launch Pad 39A at NASA's Kennedy Space Center, the wiring is checked and validated before the tanking test on space shuttle Atlantis' external tank set for Dec. 18. The test wiring has been spliced into an electrical harness in the aft main engine compartment connected with the engine cut-off, or ECO, sensor system. The attached wiring leads to the interior of the mobile launcher platform where the time domain reflectometry, or TDR, test equipment is located.
Title: STS-122 tanking test TDR
Credit: http://mediaarchive.ksc.nasa.gov/detail.cfm?mediaid=34667
Author: NASA/Kim Shiflett
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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