Air Base Access Card (Multi Use)

The Air Base Access Card (Multi Use) is used at Admin Complex No. 2 server room (Chang-san Air Base, grid B5). Used at the upgrade terminal in the Admin Complex No. 2 server room, which turns it into a single-use Armory Card. How many uses the Multi Use card has is not verified.

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B5 Admin Complex No. 2 server room · Chang-san Air Base

Door: Used at the upgrade terminal in the Admin Complex No. 2 server room, which turns it into a single-use Armory Card. How many uses the Multi Use card has is not verified.
Inside: Not documented yet.
Get the key: Mission reward Linked to Operation Iron Citadel; one was seen on an office desk.

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Other keys in Chang-san Air Base

Air Base Armory Card (Single Use)
Air Base DRC Weapons Locker
Commandant Office
Field Depot
Supreme Leader's Bunker Access Card
Weapons Mod Workshop

Data updated 2026-10-30. Sources: Community DMZ Codex — keys and loot rooms · Community dmzmap.com — key locations and locked rooms