The iconic ATV from the popular "Halo" franchise, and arguably the worst vehicle in the game, the Mongoose is a fast, unarmed, and unarmored ATV that is used by the UNSC during the events of Halo 3-5. It features the ability to carry a passenger as well.

Info: The Mongoose ULATV is one of the most maneuverable ground vehicles in the arsenal of the UNSC. It is a highly effective vehicle for reconnaissance and rapid transportation. The Mongoose is a difficult target due to its smaller size, but its high speed and light mass make vulnerable to crashes and flips at high speeds and over unstable terrain. To make matters worse, the design of the vehicle and its lack of armor leave both the driver and passenger completely exposed.

The standard UNSC Marine Corps operating protocol in engagements against Covenant forces is to place a M41 Rocket Launcher-armed Marine in the passenger position to fire rockets against slow-moving hostile vehicles, while the driver uses the Mongoose's superior speed to evade enemy return fire. For quick and practical deployment, the Mongoose can be transported by Pelicans and Elephants. (Info from the Halo Wikia)
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Controls:
VTOL- Gas/Reverse
Roll- Steer
1- Turn on
2- Brake lights

ENJOY! THIS TOOK ALL DAY!