Modern Warfare 4 DMZ unlocks the 3D Printer at Level 2, the Vendor at Level 5, the Gunsmith at Level 10, and the Dog Tag Case at Level 20. The Boss Board follows a different condition: complete your second DMZ Order. You can spend CoD MW4 DMZ Cash on gear and upgrades as your station options grow.

Your DMZ level is separate from your Multiplayer rank, and failed runs still award DMZ XP. That means a missed extraction can move you closer to a station even when you lose the gear you carried into Hajin.

1 Which stations are open at the start

Your first FOB visit gives you access to Operators, DMZ Orders, Stash and Loadout, the Firing Range, Survival Kits, the Bounty Leaderboard, DMZ Progression, Events and Deploy. You can prepare a loadout and begin Orders before the crafting and purchasing stations become available.

All Active Duty Operators share the same Stash, which begins with space for 40 items and 12 weapons. You start with two Operator slots; the progression track lists another at Level 15, while Vault Edition owners receive a third slot immediately.

◆ Synthetics, Electronics, Chemicals and Metals are tracked separately from Stash items, so collecting these resources doesn't fill its item slots.

◆ DMZ has its own 70-level progression track, so Multiplayer rank alone doesn't open its FOB stations.

2 When do the remaining stations unlock

The printer is the first additional station, opening at DMZ Level 2. Reach Level 5 for the Vendor, whose weapons and gear cost DMZ Cash and whose stock changes daily. The Gunsmith follows at Level 10, and the Dog Tag Case opens at Level 20.

The Boss Board is tied to Orders rather than a listed level. Complete your second DMZ Order to open it, so gaining XP alone won't satisfy that requirement.

Progression also lists more item storage at Level 22 and a Gunsmith discount at Level 25. Those rewards aren't new stations, but they affect how much you can keep and spend once the relevant systems are available.

3 What does the 3D Printer need

Printing requires an unlocked recipe and its listed materials, including any specific ingredients shown by that recipe. Recipes come from DMZ levels, Orders or recipe items found in Hajin. Extract with a looted recipe and it's added automatically, alongside a 5,000 DMZ Cash reward.

Loot collected during a run is broken down into Synthetics, Electronics, Chemicals and Metals. Ingredients such as Binding Catalyst, Biomaterials, Detonators and Control Units remain whole: they occupy backpack space until you move them to the Stash. Pin a recipe or ingredient to have it marked when you loot it.

◆ A Medkit costs 30 Chemicals, one Binding Catalyst and five Biomaterials; it heals wounds to full and lets you get up from Last Stand.

◆ A 1-Plate Armor Vest costs 25 Synthetics and 25 Metals, while a 2-Plate Armor Vest needs 50 Synthetics and five Reactive Metals.

A Small Backpack also costs 25 Synthetics and 25 Metals. A Medium Backpack adds Secure slots that retain items after a failed extraction, making it useful when protecting selected items matters more than relying on a successful exfil.

4 Which upgrades and purchases deserve your cash

Permanent FOB improvements sit in the printer's Upgrades tab, and each takes several prints to complete. Options include higher cash capacity, more item and weapon storage, cheaper MIA Operator recovery, and the ability to print rarer ingredients. Later improvements cover Dog Tag Case space, Gunsmith discounts and additional Vendor stock.

Choose the upgrade that addresses your current limit. More cash capacity helps when you're reaching the storage cap; more Stash space helps when extracted items leave you short of room. Check upgrade requirements before selling valuables, since some improvements call for those items as well as cash and ingredients.

Recovery discounts become more useful as you invest in an Operator's Traits. Recovery returns an MIA Operator with those Traits, but the price rises with that investment, so a frequently used character can make the discount a better priority than extra storage.

At the Gunsmith, you pay for the base weapon, attachment slots and attachments, with each new slot costing more than the previous one. A base M4 costs about 5,000 DMZ Cash, and a Gunsmith build holds up to five attachments; weapons found in Hajin can carry up to eight.

Extract a Weapon Manual before committing to a weapon you expect to buy repeatedly. The manual also awards 5,000 DMZ Cash, while weapon levels shared with Multiplayer make attachments unlocked there available in DMZ. A single looted weapon can be lost if you die carrying it, so compare that risk with the cost of building a replacement.

Print basic medical gear and armor when you have the materials, then use Vendor stock to fill gaps your recipes can't cover. For a larger purchasing budget, you can buy CoD MW4 Cash and plan your next equipment purchases.