Call of Duty: Modern Warfare 3 has unveiled its massive Fallout Vault Dweller Tracer Pack, which contains 15 total Fallout-inspired items. Currently in its fourth season, Call of Duty: Modern Warfare 3 has added a slew of new maps like Paris and Tokyo, several new multiplayer game modes including the return of Demolition, and tons more for Call of Duty fans to enjoy on the road to Black Ops 6 this October.