Interestingly, it seems that the menu won't render objects beyond a certain distance from the camera. I cobbled together a test model based on the Ravager bridge level models and it would not render the skybox or Telos in the background. I ended up scaling the meshes down in size and moving them to just outside the windows (or holes where windows should be) and they showed up.
The same is true for all cameras I think. I learned this when I created the hyperspace tunnel for the Ebon Hawk and it wouldn't render very far, so I had to put a plane at its end so that it doesn't just end in a black hole. But the maximum distance is probably smaller in the main menu.