The trademark is essential.

: The Halo 1 cruiser was the refit remember. There was no need for the Reach
: redesign. I would have been fine with a graphics upgrade, but too much was
: changed. The new cruiser is what I see as the same sort of evolution of
: design as the old Halcyon to the Marathon...similar, but distinct.

Yep! The Autumn in Reach and the Autumn class seem like they're a lot smaller than the Halo 1 improved light cruiser. Relatively small caliber turrets and dropships seem to dwarf a lot of their surface. The flightdeck and hangars of a modern day supercarrier seem more spacious than these ships.