Work Quietly is order 03 on the DMZ ORDERS PG 4 page in Call of Duty: Modern Warfare 4. It has three tasks. You can finish two of them at the FOB without deploying. The third requires a careful run through Hajin, where you have to chain kills without getting hit.
Quick answer: Purchase a suppressor from the GUNSMITH, use the 3D PRINTER to make a Throwing Knife (25 Chemicals and 25 Metals), then defeat 8 enemies consecutively in Hajin without taking damage.
Work Quietly tasks on DMZ ORDERS PG 4
The order lists its three tasks under 03 WORK QUIETLY:
- Gunsmith a Suppressor Onto a Weapon
- Print a Throwing Knife
- Kill 8 Enemies in a Row Without Being Damaged (x/8)
These objectives can progress in any order: the suppressor and kill streak may count before you print the Throwing Knife, and the streak may advance before you complete any other task on this page, including the Operation Rewards order.
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Add to Google Preferences →Gunsmith a suppressor onto a weapon at the FOB
The task says “Gunsmith”, so you have to buy the suppressor at the GUNSMITH station.

| Suppressor | Type | Price |
|---|---|---|
| XRK MIL-TAC SUPPRESSOR | TACTICAL SILENCER | $12,500 |
| MEIKO 30CAL-SP | LIGHT SILENCER | $9,500 |
The XRK is described as “Exceptional sound reduction, but a noticeable impact on aiming down sight speed.” It lists Sound Suppression and Firing Stability as pros and Aim Down Sight Speed as its con. The Meiko is described as “A lightweight suppressor that offers reduced sound signature but impacts damage range.”
Unlocking a slot adds a fee beyond the attachment cost. On a weapon with no attachments, + 1ST ATTACHMENT SLOT costs $1,000; a 4TH ATTACHMENT SLOT costs $25,000. For a cheaper option, install the suppressor on a weapon with no attachments.
Print a Throwing Knife at the 3D PRINTER
The Throwing Knife is an UNCOMMON lethal. In the printer it is described as a “Retrievable throwing knife that is lethal to unarmored targets and the head.” It costs 25 Chemicals and 25 Metals.
Kill 8 enemies in a row without being damaged in Hajin
After deploying to Hajin, check the 03 WORK QUIETLY box on the screen’s right side; it updates with each kill and displays 1/8 after the first. The kills have to come in a row without you taking damage, so eliminate enemies before they can fire back.
One approach that works is to fight soldiers from medium to long range, where they have trouble hitting you. Two setups suit this:
- A weapon with a magnified scope, such as an ISO Nightshade, lets you pick off targets across a compound wall.
- A Han 86 with the suppressor from the gunsmith task kills soldiers with a single headshot.

Allow some time between targets. If combat becomes a close-range exchange, retreat to cover rather than trading shots. At Mujin Pass, clearing a house room by room with the suppressed Han 86 can push the count up, with one clean headshot for each kill.

When you secure kill eight, the counter shows 8/8 and a tick appears in the Orders panel on the tac map. Finish every task on DMZ ORDERS PG 4 to claim REWARDS FOR PG4: MEDIUM BACKPACK x1, AMMO BOX (Field Upgrade) x1, and CASH 20000.






