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Overall view of the forward portion of the No. 1 side of the engine. At upper right is the interface panel and No. 1 fuel inlet elbow.

Below the interface panel and above/in front of the fuel inlet elbow is the LOX high pressure duct, with the LOX valve at upper left. Under the fuel inlet elbow is the "U"-shaped fuel high pressure duct, with the fuel valve at its left.

At lower-left is a gimbal outrigger, between whose legs the engine identification plates are mounted.