MW3 Gas Canisters - Modern Warfare 3

Gas Canister Charm

• "Gas Canister" Charm – Deliver Gas Canisters as a Squad in a single deployment

Operation: Rogue Arsenal Rewards

All Operators will receive the following rewards for completing specific challenges within the Shadow Siege event:

• “Serpent Slayer" Vehicle Skin – Secure a Missile Launcher
• "Konni Group" Emblem – Blow up the Observatory
• "Crimson Sound" Calling Card – Exfil with a mission success
• "Gas Canister" Charm – Deliver Gas Canisters as a Squad in a single deployment
• 1 Battle Token Tier Skip – Intercept 5 radio transmissions
• "M13C" Assault Rifle (New Weapon)*** – Assist in killing 5 Commanders – Note that Juggernauts, Boss Choppers, and Wheelsons all count towards this challenge

All these rewards are immediately available in Call of Duty: Warzone and Modern Warfare II.

In addition, all these rewards will carry forward to Call of Duty: Modern Warfare III.

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Collect Gas Canisters

After the target — an underground weapons facility for manufacturing chemical weaponry — is revealed underneath the Zaya Observatory, all Operators must collect 45 gas canisters combined across all squads.

The second you collect a gas canister, your perspective will shift from first to third person until the canister is deposited at a helicopter transport vehicle outside the facility. Once you have a canister, the helicopter transport is clearly marked on your Tac Map, as well as within the overworld, with an icon of said vehicle.

Because the arsenal contains chemical weapons, every Operator has a Durable Gas Mask for safety. The Tac Map shows the area (in yellow) where there is too much chemical radiation for an Operator to handle without a Gas Mask, just like a Circle Collapse in other modes. 

Be prepared to frequently replace Gas Masks while inside the facility; open Supply Boxes, grab them off dead enemy agents, or look to the exfil chopper to find more Gas Masks — this is vital to your Operator’s health.

Expect some hard-hitting enemies to be stationed in, around, and above the Observatory complex as you battle your way to the chemical weapons arsenal and attempt to extract those gas canisters. 

Along the way, Operators may face Commanders in the air (attack helicopters) and on the ground (Wheelsons and Juggernauts). These are highly dangerous enemies compared to the regular Konni Group, but it’s vital to engage them if you’re intent on earning the new M13C Base Weapon reward.

While moving through the underground facility, Konni agents may drop their phones. Keep your head on a swivel to intercept enemy communications… And maybe figure out why they are here defending this lab underneath Al Mazrah.