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View of the aft LOX tank bulkhead.

Picture 4 of 5.

This photo was taken with a high level of supplemental lighting to bring out the detail on the interior of the valves and suction line; the LOX tank's structural ribs are also visible inside the bulkhead through the support post's hole.

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.