Call of Duty: Modern Warfare 3 Zombies expands on the loadout customization options available to players, carrying over the Operators function from Warzone 2.0 DMZ. In addition to building an operator that can collect upgraded equipment like plate vests and gas masks, Modern Warfare 3 Zombies allows players to boost their operator right at deployment by using acquisitions and schematics. What exactly are these tools, and how can players get more?