The perspective is wonky, but I think you could fix the catwalk looking like it's going through the window by simply adding the missing railing...
Ulala, I've extended your sketch a little bit for a (hopefully) better imagination.
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It looks so weird, because the hangar and the bridge aren't at the same deck.
It's watching like this:

And there isn't a catwalk behind the fighters.
It would be suicide to walk directly under a crane which picks up a Myrmidon.
There are ladders on the platforms, next to the fighters, similar to the platform in our Galatea mainhall.