Modern Warfare 4's DMZ beta dropped its biggest system yet this week: the Forward Operating Base. If you've been treating it like a glorified spawn point, you're already losing fights you should win. Here's how to use FOB in MW4 DMZ the way extraction squads who actually survive full raids are running it: positioning, resupply timing, and the calls that turn a FOB from a safehouse into a weapon.
How to Use FOB in MW4 DMZ: The Core Mechanic
This read is about DMZ, specifically the Forward Operating Base system that surfaced out of the beta this week, so read everything below through that lens. The FOB drops into the mode as a deployable, persistent base of operations. Your squad claims it, stocks it, and defends it for the length of the raid. It is not a spawn point and it is not a loot cache you forget about ten minutes in. It is the difference between a squad that controls a sector and a squad that gets rotated on from three directions at once.
The FOB gives you three things: a resupply point for ammo, plates, and self-revives, a rally position your squad can fall back to mid-firefight, and a staging area for a planned extraction instead of a panicked one. Run a raid where your FOB sits unused past the first ten minutes and you're still playing DMZ the old way: reactive, scattered, one bad engagement from a wipe.
FOB routes are still settling out of beta. Treat the placement advice below as the early direction, not the final word.
Claim Your FOB Before Your First Contract
Deploy and stock your FOB inside the first two minutes, before you take your first contract. Squads that wait until they're already under pressure end up building a base they can't use. By then you're defending it instead of operating from it.
Where to Set Up Your Forward Operating Base
Placement is the single biggest FOB mistake squads are making right now. A FOB dropped in the open or inside a high-traffic extraction lane gets probed within minutes, and a probed FOB with no cover is a liability, not an asset. Set up on the edge of your operating sector, one building back from the main road, with at least two rotation paths out.
Resupply runs are the other half of this. Every trip back to FOB tells anyone watching exactly where your squad lives. Stagger your runs, vary your entry angle, and never walk the same route twice in one raid.
Why FOB Defense Is a Coaching Problem, Not a Gear Problem
Most squads lose their FOB because nobody called the rotation in time, not because they had bad guns. GG Clan's large-map Pros read incoming rotations on FOB-style maps daily. One session teaches your squad the difference between holding a base and watching it fall.
Running FOB Resupply Without Getting Rotated On
Resupply discipline decides whether your FOB lasts the whole raid or gets farmed by the next squad through the area. The habit that separates squads who hold their base from squads who lose it: resupply on a schedule, not on a crisis. Waiting until you're down to your last mag means you're making that walk back exposed, distracted, and loud.
Set a resupply window every six to eight minutes instead. Stock plates and self-revives first, ammo second. Rotate who makes the run so one player isn't walking the same exposed path over and over. The squads extracting clean aren't the ones with the most kills. They're the ones who never once got caught flat-footed at their own base.
Resupply On a Timer, Not On Low Ammo
Set a resupply window every six to eight minutes instead of waiting until you're nearly empty. Squads that resupply reactively get caught mid-run with their guard down. Scheduled resupply means you're moving on your own terms, every time.
What Is DMZ, and Why Does FOB Change the Mode
DMZ is Call of Duty's extraction-based mode. Drop in, complete contracts, loot, and get your squad out before the raid timer or an enemy squad ends it for you. Unlike a battle royale, death isn't an instant elimination. Your squad can recover your gear if the raid keeps going. The FOB is the first system DMZ has shipped that gives a squad an actual home base instead of a random loot stash to defend.
That changes the rhythm of a raid. Raids built around a FOB reward squads that can hold ground and rotate with intent, not only squads that can win isolated gunfights. The skill ceiling has moved from individual aim to squad-level decision-making, and most lobbies haven't caught up yet.
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