[url=http://halo.wikia.com/wiki/Autumn-class_heavy_cruiser]Autumn-Class Heavy Cruiser[/url] Heres all the info you want about the Autumn Class, it couldn't be another Infinity Class because they are almost three miles long, lots of decks, a lot of Foreunner tech and so on. Even with covie engineers the UNSC got I would still take a long time to build.