Modern Warfare 4's Threat Briefing: Battle Tank asks your squad to destroy a tank, collect Reactive Armor Fragments, and extract with them in your backpacks. Players browsing CoD MW4 Bot Lobbies can use this same squad plan to keep the objective in focus. The tank kill alone isn't enough: your fragments have to make it off the map.How should you prepare for the Modern Warfare 4 Battle TankGive...