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View of the aft LOX tank bulkhead.

Picture 3 of 5.

At the 5:00 position, behind the brace, is the LOX vent valve. The LOX fill/drain valve is visible just past 6:00.

The fuel (alcohol) fill/drain valve is visible at 8:00; the fuel suction line (through which the alcohol tank was also filled and drained) is the flange just before 9:00 whose side has been cut off to provide clearance for the support post.

On the tail unit at 7:00 is the hydrogen peroxide fill/drain valve.

At 11:00 are a pair of connecting brackets and an engine mount pad.