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Overall walk-around of the second stage.

Picture 3 of 4.

Referring to my Titan II Missile Configuration diagram, we see that the second stage is displayed with its interstage structure.

Looking inside, one can see where the interstage ends, but I'm a bit confused as to what's forward of that. The Titan II used a semi-monocoque construction, where the tank itself formed the structural skin of the stage (rather than the tank being a discrete structural element).

I suppose that the aft bulkhead of the fuel tank may have been removed, so what we're actually seeing is the forward fuel tank bulkhead (or perhaps the aft oxidizer bulkhead). Unfortunately, I took this photo long ago, before I knew to ask such questions, and the current location of stage prevents inspection to answer this question.