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RTF Shuttle Mission Imagery

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JSC2004-E-54156 (8 December 2004) --- Astronaut Joseph R. (Joe) Tanner works in an extravehicular mobility unit spacesuit inside a thermal vacuum chamber at the Johnson Space Center, testing materials, tools and techniques for repairing Space Shuttle thermal protection systems. This particular test, conducted Dec. 8, 2004, involved the application of a caulk-like tile repair material known as STA-54 in a chamber that simulates the vacuum and temperatures of space. The silicon-based ablative (burns away during reentry) material comes in two parts that must be mixed in a dispenser gun called the Cure In Place Ablator Applicator (CIPAA). Tanner dispensed the material onto a variety of test plates and tiles with simulated damage. The cured test samples will be analyzed, and some will be subjected to simulated atmospheric reentry conditions in another test chamber at JSC.

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 12/17/2004
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