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Call of Duty: Modern Warfare III

Crash Site Field Upgrade Locations in MW3

By
Shane Williams

Crash Site is the third Open Combat Missions and features the least amount of Weapons, Field Upgrades, Armaments, and Plate Carriers to find in the game. If you’re striving for the Platinum Trophy, then you’ll need to collect all of these for the Gearhead Trophy/Achievement.

You’ll want to fully uncover the map before searching for the Weapons and Items.

All Crash Site Field Upgrade Locations

There are only three field upgrades to be found on this map due to its size. These can be found in smaller orange supply boxes whereas the weapons will be found in the larger ones.

Where to Find The Heartbeat Sensor in Crash Site

The Heartbeat Sensor will allow you to see if there are any nearby enemies above or below your current location. It can be found by opening your map and heading to the coordinates E5. When you arrive, look behind the building to find a small Supply Box containing the Heartbeat Sensor.

(1 of 2) Head to this location on the map

Head to this location on the map (left), to find the Heartbeat Sensor behind the building. (right)

Where to Find The Armor Box in Crash Site

The Armor Box is another useful piece of field equipment for Open Combat Missions, as you’ll be able to throw down some Armor Plates on the floor and equip for extra health. It can be found by opening your map and heading to the coordinates E3. When you arrive, you’ll find a small Supply Box containing the Heartbeat Sensor sitting inside a small wooden hut.

(1 of 2) Head to this location on the map

Head to this location on the map (left), to find the Armour Box sitting in a wooden hut. (right)

Where to Find The Munitions Box in Crash Site

The Munitions Bo will allow you to fully restore your ammo which is extremely useful in Open Combat Missions as you’ll be coming across a lot of enemies. It can be found by opening your map and heading to the coordinates F4. When you arrive, you’ll find a small Supply Box containing the Munitions Box sitting in another wooden hut which is located beside the cliff.

(1 of 2) Head to this location on the map

Head to this location on the map (left), to find the Munition Box sitting in a wooden hut. (right)

More Call of Duty Modern Warfare 3 Guides

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Guide Information
  • Publisher
    Activision Blizzard
  • Platforms,
    PS4, PS5, Steam, XB One, XB X|S
  • Genre
    FPS
  • Guide Release
    2 November 2023
  • Last Updated
    1 December 2023
    Version History
  • Guide Author

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Modern Warfare 3 is the next installment in the Call of Duty franchise and was developed by both Infinity Ward and Sledgehammer Games. It features reimagined maps from the original MW2 which was released back in 2009. This guide for MW3 contains the following:

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