Here is the map from our campaign. It will be updated as we battle, and as time allows.
Here is the map from our first battle.
Utilizing stealth (It is not that hard to sneak around orks.) the Marines entered the city through the sewer system. Using a faint tracking signal, they knew where there prey was, and needed to retreive the stolen data cylinders from the orks in order to save Armageddon from complete annhilation.