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Detail of the interface between the S-II stage and the J-2 engines. Note the braided silver lines running into the stage (upper left, upper right, and on the center engine, leading into the cruciform beams forming center engine support assembly).

Behind one beam is a LOX feed line (larger-diameter, corrugated, grey tube).

This picture is exposed for the lines outside the thrust structure.

Picture 1 of 2.