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dsc71249.jpg

Between the valve package and the metal casing at the forward end of the Ascent Propulsion System engine is a gold piece of metal; I assume this serves as a heat shield to prevent heat generated during the engine's firing from affecting the operation of the valves.

Picture 2 of 2.

 
Ascent Propulsion System (APS) Engine at U.S. Space & Rocket Center
Time picture taken Sat Nov 7 10:24:26 2009
Location picture taken Saturn V Hall
Davidson Center for Space Exploration
U.S. Space & Rocket Center
Huntsville, AL
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Ascent Propulsion System (APS) Engine Gallery
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