These are some of the diagrams I've assembled and printed out to help me with this model. The next hurdle I face is how to reinforce the interior so the nearly 4-foot long model won't sag from the weight. (In this photo, it's the dark horizontal section just above where the stack of books meets the floor.) The bridge is located at the bottom-front of the second segment of the ship. I determined the length from an in-game calculation of the deck height of the bridge. At 46' in overall length, it dwarfs the Polar Lights USS Enterprise at the same scale!
This is a side-view printout I made of the Pillar of Autumn from the game files. In 2552, the Pillar of Autumn was under fire from a collection of alien races known as the Covenant, and they forced the Autumn to crash-land on a mysterious, derelict ring-world known as Halo. Commanded by decorated Navy officer Captain Jacob Keyes, the Pillar of Autumn is, at over 1 km long, in the smallest class of UNSC cruiser! This is the United Nations Space Command cruiser Pillar of Autumn. This is a CG rendering of the vessel from the XBox and PC video game 'Halo: Combat Evolved'.