Armchairempire.com released a great interview with none other than Richard Garriott, the father of the MMO genre. Mr. Garriott releases some interesting information, but most information he discusses here we already know about. It's an interesting read none the less. Here's a snippet:
TR is a game about a war to save humanity from extinction. To that end, everyone is somehow engaged in the battle, but the roles are diverse. We have front line soldiers, stealthy rangers, field engineers that set up and destroy equipment, and bio-medic types as well.