User blog comment:Bovell/Color blind assist option for Modern Warfare 3. Killstreak system reworked./@comment-3578709-20110708132148/@comment-402843-20110708203604

how so? "stacking" clearly means putting things on top of each other, and that's what happens when multiple killstreaks are earned. the newest one goes on top and the rest are under. getting killstreaks from other killstreaks has nothing to do with "stacking". besides, it says so in the killstreak article on this wiki.