Field Depot - B5 Key Location in MW4 DMZ
The Field Depot - B5 Key opens the Field Depot door at Chang-san Air Base, in the area the Tac Map labels Field Depot. Its description names grid B5, at Chang-san Air Base.How to get the key
Last updated Game version: Launch (October 23, 2026)
Quick answer
- Where
- Chang-san Air Base, Tac-Map grid B5
- The door
- The Field Depot door at Chang-san Air Base, in the area the Tac Map labels Field Depot.
- What is inside
- Not confirmed yet. Loot changes every match.
- Getting the key
- Not confirmed yet; keys turn up as loot.
- Threat there
- Extreme at Chang-san Air Base
Where the Field Depot - B5 is
| Location | Chang-san Air Base |
| Tac-Map grid | B5 |
| Highest threat at Chang-san Air Base | Extreme |
The Tac-Map grid runs letters from west to east and numbers from north to south, so B5 is column B, row 5. See Chang-san Air Base on the interactive Hajin map, and the threat level by area in our Chang-san Air Base location guide.
What the Field Depot - B5 Key opens
The Field Depot door at Chang-san Air Base, in the area the Tac Map labels Field Depot.
How to get the Field Depot - B5 Key
Where this key drops is not confirmed yet. Keys turn up as loot, a Lieutenant you kill may drop the key to their own loot room, and some Story Missions pay keys as rewards.
Keys can go in your Stash between deployments, but anything outside a Secure Slot is lost if your exfil fails. Tick the keys you have in the MW4 DMZ key finder; the list stays in your browser.
Other keys at Chang-san Air Base
- Supreme Leader's Bunker Access Card: The Supreme Leader's Bunker, deep in the Chang-san Air Base Bunker.
- Air Base DRC Weapons Locker (grid B6): The DRC Weapons Locker in the secure armory deep in the air base's bunker.
- Airbase Armory Keycard - Single Use (grid B5): The armory in the Chang-san Air Base Bunker, whose door reads "Requires Air Base Armory Access Card". The card says it works once.
- Weapons Mod Workshop (grid B5): A weapons workshop at Chang-san Air Base.
- Air Base Access Card - Multi Use (grid B5): Locked doors around Chang-san Air Base. Unlike the armory card, it can be used more than once.
- Commandant Office (grid B5): The commandant's office on the second floor of Admin Complex No. 2.
Every locked door at Chang-san Air Base and the key for each: Chang-san Air Base Armory in MW4 DMZ: How to Get In.
Questions
Where is the Field Depot - B5 Key used in MW4 DMZ?
At Chang-san Air Base, grid B5 on the Tac-Map. It opens the Field Depot door at Chang-san Air Base, in the area the Tac Map labels Field Depot.
Every confirmed MW4 DMZ key with its own page
- Counting Room Vault
- Mirae Electrical Room
- Shop Records Room
- Gun Store Weapons Locker Key
- Shopping DRC Locker
- Reactor DRC Locker
- Coin Mining Den
- Supreme Leader's Bunker Access Card
- Roze's Highrise Armory
- Vault Armory
- The Citadel South Wing
- Old Barber Shop
- Rail Depot Storage
- Militia Arms Depot
- Haksan School Armory
- Re-Education Center Annex
- Imjin Mill Foreman's Office
- Hoesik Supply Room
- Air Base DRC Weapons Locker
- Iskra's Control Room
- Netshin IT Room
- Police Weapon Depository
- The Chemist's Secure Armory
- Gangbyeon Apartment B
- Airbase Armory Keycard - Single Use
- Hanex Guard Station
- Lucera Suite 703 Bedroom
- Reactor 02 Control Room
- Utility Maintenance Storage
- Weapons Mod Workshop
- Executive Arms Auction
- Hazard Storehouse
- Police Station Armory
- Mechanic's Shack
- Air Base Access Card - Multi Use
- Commandant Office
- Gas Station Electrical Room
- Jang-ui's Converted Power Room
- Jin-Tae's Private Lounge
- Mill Explosives Lab
- Prison Encampment Storage
- Underground Propaganda Store Room
- The Doctor's Command Office
- South Block Armory
- The Citadel Main Control Room
- The Citadel Secondary Control Room
- Field Depot - B5
- Fire Station Storage
- Gangbyeon Apartment A
- Haejeok Radio Station
- Hanwoori Art Records Room
- Hotel Lucera Lobby
- Kang's Arms Incinerator
Official sources
Continue reading
Next stepGot this key? Tick it off and find the next one in the key finder.MW4 DMZ Keys: Locations and Locked RoomsEvery confirmed DMZ key: where it is, its Tac-Map grid square, which door it opens and what players found inside.Go there Related guides
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