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The Khimera was an attack helicopter used by the Ostri Republic and Union of Independent Republics during the Pendulum Wars. Several Khimeras saw action at the Acastu Imulsion Fields and the Battle of Aspho Fields.


Acastu Imulsion Fields[]

In the 75th year of the Pendulum Wars, a Khimera was used to scout the defenses of the Acastu Imulsion Fields in preparation for raids on the facility.[2]

Battle of Aspho Fields[]

During the Battle of Aspho Fields, two Khimeras were sent out to attempt to stop COG commandos from escaping with information about the Hammer of Dawn. The Khimeras found the commando team out at sea aboard two Marlins, but discovered that the bots carrying the data had already escaped. The Khimeras then opened fire on the Marlins, despite the fact they were carrying captured scientists. One of the Marlins was hit and began sinking, but fire from the other Marlin downed one of the Khimeras. The second Khimera broke off and hovered above the downed one, attempting to rescue the crew before the helicopter sunk.[3] After a while, it broke off from its rescue attempts, and it is unknown if the crew of the second Khimera was rescued. It attacked the second Marlin, which had rescued several people from the sunk Marlin. It killed several people aboard the ship, but was destroyed by a missile fired from shore by Cpl. Marcus Fenix. The survivors of the commando team escaped abord a Sea Raven before more Khimeras arrived.[4]

Battle of Bonbourg[]

During the Battle of Bonbourg, Khimera-Five-Three flew over the remains of four ships from the UIR Third Fleet that were taken out by the COG's Hammer of Dawn orbital platform. The pilot reported to UIR command that ships had been destroyed, and that the COG had a new weapon.[5]



The Khimera is an attack helicopter, designed for heavy assault and close air support. The only known weapon of the aircraft is twin heavy caliber machine guns and two rocket pods, used against infantry and light vehicles.


The Khimera is a heavy attack helicopter, and coupled with its heavy weapons, it is packed with heavy armor. It can withstand large amounts of gunfire and small-arms fire, and other light-medium weapons. However, it does have a weak point with its exposed engines. If the engine happens to be shot at with a direct hit, it will explode, causing the helicopter to spin out of control and crash.


The Khimera is equipped with a single forward-mounted searchlight. The searchlight is used for seeing in the dark, for itself and friendly units. It is also used for accurately pin-pointing targets during combat situations in the dark.

Behind the scenes[]

  • The Khimera bears an unmistakable resemblance to the Mil Mi-24 Hind, a Soviet gunship that saw action in countless local conflicts, just missing the "belly" used to house 8 Air Assault troopers.


  1. Gears of War: Aspho Fields pg 276
  2. Gears of War: Unsaid
  3. Gears of War: Aspho Fields pg 294-296
  4. Gears of War: Aspho Fields pg 308-311
  5. Gears of War: Promise Me
Vehicles and Transportation
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UIR: Asp · Car · Cargo Cart · Forklift · Light Armored Vehicle · Matador Sport · Pariah Tank · Rocket Gantry Crane · Rocket Transport Train · Ski-Bike · UIR APC · Vasgari Passenger Train
Locust Horde: Bloodmount · Brumak · Seeder · Shibboleth · Siegebeast · Swarmak · Torture Barge
Other: Horse Wagon · Junker · Skiff
COG: Amphibious Assault Ship · Battle Trawler · COG Attack Submarine · COG Battleship · COG Boat · COG Cargo Ship · COG Patrol Boat · COG Imulsion Tanker · Fishing Boat · Landing Craft Tank · Marlin · Raven's Nest Class · Rowboat · Seabass Model · Submersible
UIR: Fishing Boat · Gelen Class Frigate · Gorasni Attack Submarine · Gorasni Destroyer · Rowboat · UIR Battleship · UIR Cargo Ship · UIR Imulsion Tanker · UIR Miniature Submarine · Vasgari Cruise Ship
Locust Horde: Assault Barque · Locust Barge · Locust Gunboat
Other: Reaction Ferry · Weilehan Raft
COG: COG Rocket · Condor · Corva · Kestrel · King Raven · King Raven Mark 2 · Petrel · Sea Raven · Tern · Vulture
UIR: Khimera · UIR Rocket · UIR Space Capsule · UIR Transport Helicopter · Vasgari Passenger Plane
Locust Horde: Gas Barge · Hydra · Reaver · Tempest