"Here's a sneak peak at Heretic, Citadel, and Longshore, three maps you'll find packed into the Halo 3 multiplayer disc included with Halo 3: ODST." Heretic Citadel Longshore Here is the thread over at Bungie.
I thought wrong. I'm just going to lock my thread and yours can continue. There is no reason why two of the same threads should exist.