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Overall view of the engine's turbopump. At top is the alcohol inlet and fuel turbopump (with the dark-colored alcohol duct running off the right side of the top of the photo). Partially obscuring the alcohol turbopump is the steam outlet manifold; immediately below that (attached to the red steam generator is the steam inlet manifold. The LOX inlet is at the extreme bottom, with the LOX turbopump (leading, through the bellows, to the LOX dome) immediately above it.