theres no denying halo reach is a severely flawed game that doesnt live to any of its predecessors other than odst, which had incredible music but a stupid story and gameplay was retarded; useless silencers...all imo.
They have invisibility cloaks in the beginning stages. Its a special material that bends light around itself instead of reflecting it I saw it in a popsci mag and a wired mag its not perfect yet but it looks pretty bad ass.