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Detail of the forward end of the engine, including the propellant inlets and turbopumps (the upper is the LOX turbopump and the lower is the fuel turbopump).

The red cap on the bottom of the engine behind the fuel inlet is the turbine exhaust; when mounted in a missile, a turbine exhaust duct and heat exchanger would attach at this point.

The sphere covered with foil batting at upper left is the lube oil tank.