Season four of Call of Duty made plenty of changes to Modern Warfare 2 multiplayer and Warzone on June 14, but DMZ got some of the most significant updates and upgrades of any of the game’s popular game modes.
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In particular, players have a whole collection of new upgrades to unlock now.
A pivotal part of the new DMZ features is the Forward Operating Base, or FOB, complete with numerous upgrades that will improve the ways in which you can prepare for deployments and unlock new goodies. Increases to stash sizes, more insured weapon slots, daily urgent missions, and more can be unlocked via the new progression system.
Here’s a look at all the DMZ upgrades introduced in season four and how to unlock them. This is a work-in-progress guide and more details will be added upon completion, so some upgrades may be missing additional necessary tasks that have not been unlocked yet.
All Stash upgrades in DMZ
These upgrades will unlock the Wallet, which lets you save cash to redeploy with later, as well as expansion upgrades to both the Wallet and your mission item/key stash.
All Wallet unlocks and upgrades
- Unlock Wallet – Unlock the Wallet to store extra cash.
- Extract $100,000 in cash.
- Wallet Expansion I – Expands the Wallet capacity by $150,000.
- Reach reputation level three with White Lotus.
- Extract 10 bottles of liquor.
- Extract six wine bottles.
- Extract two aged or vintage wine bottles.
- Wallet Expansion II – Expands the Wallet capacity by $150,000.
- Reach reputation level four with White Lotus.
- Extract eight hard drives.
- Extract four thumb drives.
- Extract four laptops.
- Extract two encrypted hard drives.
- Wallet Expansion III – Expands the Wallet capacity by $150,000.
- Reach reputation level six with White Lotus.
- Extract two GPUs.
- Wallet Expansion IV – Expands the Wallet capacity by $100,000.
- Reach reputation level eight with White Lotus.
- Extract eight Vintage Wine bottles.
- Extract 16 bottles of Japanese Liquor.
- Wallet Expansion V – Expands the Wallet capacity by $100,000.
- Reach reputation level 10 with White Lotus.
- Extract 10 Gold Bars.
- Extract six Gold Skulls.
All mission item/key stash upgrades
- Stash Expansion I – Expands the mission item/key stash by five slots.
- Reach reputation level four with Black Mous.
- Extract 10 nuclear fuel rods.
- Extract two radiation blocker bottles.
- Stash Expansion II – Expands the mission item/key stash by five slots.
- Reach reputation level five with Black Mous.
- Extract nine cigar boxes.
- Extract five comic books.
- Extract three aspirin bottles.
- Stash Expansion III – Expands the mission item/key stash by four slots.
- Reach reputation level six with Black Mous.
- Extract five large medical bags.
- Extract 10 AFAKs.
- Extract 15 IFAKs.
- Stash Expansion IV – Expands the mission item/key stash by three slots.
- Reach reputation level eight with Black Mous.
- Extract five screwdrivers.
- Extract five wrenches.
- Extract three dog tags.
- Extract MK32 (RGL-80).
- Stash Expansion V – Expands the mission item/key stash by three slots.
- Reach reputation level 10 with Black Mous.
- Extract 40 documents.
- Extract 16 sensitive documents.
- Extract eight classified documents.
All Crown faction stash upgrades
- Wallet Expansion I (Crown) – Expand Wallet Capacity by $100,000.
- Reach reputation level four with Crown.
- Extract five batteries.
- Extract two drills.
- Extract three bottles of gun oil.
- Wallet Expansion II (Crown) – Expand Wallet Capacity by $50,000.
- Reach reputation level five with Crown.
- Extract eight electric tape.
- Extract three car batteries.
- Extract six jumper cables.
- Wallet Expansion III (Crown) – Expand Wallet Capacity by $50,000.
- Reach reputation level six with Crown.
- Extract five AQ laptops.
- Extract 10 screwdrivers.
- Extract four encrypted hard drives.
- Extract $500,000 in cash.
- Wallet Expansion IV (Crown) – Expand Wallet Capacity by $50,000.
- Reach reputation level eight with Crown.
- Extract four GPUs.
- Extract 10 game consoles.
- Extract 10 VCRs.
- Extract eight encrypted hard drives.
- Wallet Expansion V (Crown) – Expand Wallet Capacity by $50,000.
- Reach reputation level 10 with Crown.
- Extract 14 nuclear rods.
- Extract seven bottles of gun oil.
- Extract two liquid nitrogens.
- Extract 10 blow torches.
- Stash Expansion I (Crown) – Expand mission item/key stash by three slots.
- Reach reputation level four with Crown.
- Extract eight bandages.
- Extract four IFAKs.
- Extract one radiation blocker.
- Stash Expansion II (Crown) – Expand mission item/key stash by three slots.
- Reach reputation level five with Crown.
- Extract six vases.
- Extract three bottles of Japanese liquor.
- Stash Expansion III (Crown) – Expand mission item/key stash by two slots.
- Reach reputation level six with Crown.
- Extract eight purified water bottles.
- Extract seven emergency rations.
- Extract three gas cans.
- Extract eight canned foods.
- Stash Expansion IV (Crown) – Expand mission item/key stash by one slot.
- Reach reputation level eight with Crown.
- Extract eight bottles of aspirin.
- Extract three large medical bags.
- Stash Expansion V (Crown) – Expand mission item/key stash by one slot.
- Reach reputation level 10 with Crown.
- Extract 14 nuclear fuel rods.
- Extract seven bottles of gun oil.
- Extract two liquid nitrogens.
- Extract 10 blow torches.
All Weapons Locker upgrades in DMZ
The Weapon Locker upgrades will add additional Insured Weapon slots, reduce Insured Weapon cooldowns, and massively expand your stash of Contraband weapons.
All Insured Slot unlocks and upgrades
- First Insured Slot cooldown reduction – Reduce the cooldown of the First Insured Slot by 25 percent.
- Reach reputation level three with Phalanx.
- Extract four bottles of gun oil.
- Extract three classified documents.
- Extract $400,000 in cash.
- First Insured Slot cooldown reduction II – Reduce the cooldown of the First Insured Slot by 25 percent.
- Reach reputation level nine with Phalanx.
- Extract 12 toothpaste.
- Extract 15 bottles of fresh water.
- Extract seven lightbulbs.
- Extract five enemy Operator weapons.
- Unlock Second Insured Slot
- Reach reputation level four with Black Mous.
- Extract three IFAKs found at hospitals.
- Extract one AFAK or large medical bag.
- Extract one enemy operator’s weapon.
- Second Insured Slot cooldown reduction – Reduce the cooldown of the Second Insured Slot by 25 percent.
- Reach reputation level five with Phalanx.
- Extract eight imported tea.
- Extract eight soothing hand creams.
- Extract four bottles of aged or vintage wine.
- Second Insured Slot cooldown reduction II – Reduce the cooldown of the Second Insured Slot by 25 percent.
- Reach reputation level 12 with Phalanx.
- Extract four chlorine.
- Extract four formaldehyde.
- Extract four hydrochloride.
- Extract four cephalexin.
- Extract four acetone.
- Extract four hydrogen peroxide.
- Unlock Third Insured Slot
- Reach reputation level four with Black Mous.
- Extract five GPUs.
- Extract 10 gold bars.
- Extract eight gold skulls.
- Extract 10 enemy operator weapons.
- Third Insured Slot cooldown reduction – Reduce the cooldown of the Third Insured Slot by 25 percent.
- Reach reputation level seven with Phalanx.
- Extract 35 cigar boxes.
- Extract 20 lighters.
- Third Insured Slot cooldown reduction II – Reduce the cooldown of the Third Insured Slot by 25 percent.
- Reach reputation level 15 with Phalanx.
- Extract 10 dog tags.
- Extract three silver dog tags.
- Extract two gold dog tags.
- Extract one Damascus dog tag.
- Extract three weapon cases.
All Contraband Stash unlocks and upgrades
- Contraband Stash Expansion – Expands the Contraband stash by five slots.
- Reach reputation level five with Black Mous.
- Extract four thumb drives.
- Extract five hard drives.
- Contraband Stash Expansion II – Expands the Contraband stash by five slots.
- Reach reputation level seven with Black Mous.
- Extract four dog tags.
- Extract four pieces of Black Mous intel from Rohan Oil in Al Mazrah.
- Contraband Stash Expansion III – Expands the Contraband stash by four slots.
- Reach reputation level nine with Black Mous.
- Extract six Ashika Island masks.
- Extract one original Ashika Island mask.
- Contraband Stash Expansion IV – Expands the Contraband stash by three slots.
- Reach reputation level 12 with Black Mous.
- Extract 15 armor plates.
- Extract three armor plate boxes.
- Extract five three-plate armor carriers.
- Contraband Stash Expansion V – Expands the Contraband stash by three slots.
- Reach reputation level 15 with Black Mous.
- Extract 10 UAVs or Advanced UAVs.
- Extract 12 anti-armor round boxes.
- Extract 20 encrypted hard drives.
- Contraband Stash Expansion (Crown) – Expands the Contraband stash by three slots.
- Reach reputation level five with Crown.
- Extract nine stims.
- Extract six bandages.
- Contraband Stash Expansion II (Crown) – Expands the Contraband stash by three slots.
- Reach reputation level seven with Crown.
- Extract five case cans.
- Extract 15 lighters, comic books, cigar boxes, or documents.
- Contraband Stash Expansion III (Crown) – Expands the Contraband stash by three slots.
- Reach reputation level nine with Crown.
- Extract 12 jumper cables
- Extract 16 blow torches
- Extract nine car batteries.
- Contraband Stash Expansion IV (Crown) – Expands the Contraband stash by three slots.
- Reach reputation level 12 with Crown.
- Extract 800 rounds of Sniper ammo.
- Extract 120 rounds of Launcher ammo.
- Extract 3,500 rounds of Pistol/SMG ammo.
- Extract 6,500 rounds of AR/LMG ammo.
- Extract 1,200 rounds of Shotgun ammo.
- Contraband Stash Expansion V (Crown) – Expands the Contraband stash by three slots.
- Reach reputation level 15 with Crown.
- Extract 30 gas masks.
- Extract 10 durable gas masks.
- Extract 15 radiations blockers.
All Bounty Board upgrades in DMZ
As of season four, players will need to unlock most of the Barter recipes for items like three-plate carriers, enhanced backpacks, the Revive Pistol, and more. For these upgrades, you will have to kill bosses or special enemy combatants.
All of the following Barter recipes will require you to reach reputation level two with White Lotus.
- Revive Pistol
- Kill the Chemist.
- Comms Plate Carrier Vest
- Kill the Wheelson.
- Stealth Plate Carrier Vest
- Kill the Sniper.
- Tempered Plate Carrier Vest
- Kill the Armored Commander.
- Medic Plate Carrier Vest
- Kill the Pyro.
- Scavenger Backpack
- Kill the Scavenger.
- Reveals Secure Backpack recipe.
- Secure Backpack
- REDACTED
- Skeleton Key
- Kill Velikan in Building 21.
- Reveals MK32 grenade launcher barter recipe.
- MK32 grenade launcher
- Kill Velikan nine times.
- Personal exfil
- Kill the Helo Commander.
- Personal exfil discount I
- Kill the Helo Commander four times.
- Personal exfil discount II
- Kill the Helo Commander five times.
- Personal exfil discount III
- Kill the Helo Commander 10 times.
- Killstreak discount I
- Kill the Bomb Maker
- Killstreak discount II
- Kill the Bomb Maker four times.
- Killstreak discount III
- Kill the Bomb Maker six times.
- Workbench discount I
- Kill the Sniper or Rhino four times.
- Workbench discount II
- Kill the Sniper or Rhino five times.
- Workbench discount III
- Kill the Sniper or Rhino 10 times.
- Armor plate discount I
- Kill the Pyro four times.
- Armor plate discount II
- Kill the Pyro five times.
- Armor plate discount III
- Kill the Pyro 10 times.
All Communication Station upgrades in DMZ
The Communication Station upgrades are where you will unlock daily urgent missions, which unlock limited-time missions for players to accomplish.
- Black Mous daily urgent missions
- Extract with a full backpack with each slot filled.
- White Lotus daily urgent missions
- Complete the “Mysterious Letter” mission for the Black Mous faction.
- Extract two Al-Qatala planning diagrams or images.
- Crown daily urgent missions
- Reach reputation level two with Crown to unlock.
- Extract three classified documents.
- Phalanx daily urgent missions
- Complete the “Icebreaker” mission for the Black Mous faction.
- Extract three bottles of hydrogen peroxide, cephalexin, or acetone.
- Complete the “Icebreaker” mission.
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