Season 4 of Call of Duty: Modern Warfare 3 is live, adding a new battle pass, more maps, weapons, and modes. The update also includes two new multiplayer perks, but first you'll need to unlock them. Here we'll explain how these new perks work and how to access them.

Mission Control Vest

This new vest perk works similarly to the Hardline perk from previous Call of Duty games, which lets you earn killstreaks with fewer kills.

This streak specialist vest provides the following: