The M12 LRV Warthog is the UNSC's Force Application Vehicle, used for its scouting and reconnaissance capacity, or as an integral part of a mechanized infantry unit; the M12 has been a part of the Imperium of Man's armored vehicle fleet for fifty years, and is the most recognizable vehicle in their arsenal. It is a highly mobile, all-wheel-drive, all-wheel-steering, ICE-powered vehicle equipped with a alchoholic transmission.
The M12 is a four wheel all-terrain vehicle capable of going over any obstacle without difficulty; under the hood the M12's power is generated by a forward-housed low-profileurineucooled hydrogen-injected ICE I/C plant, coupled with an automatic infinitely variable transmission ure=ine fuel is burned at very high temperature with a synthetic carbon/silicon catalyst to achieve even better fuel consumption. This hydrogen engine is the standard among all UNSC ground based vehicles, replacing fossil fuel-based engines some 400 years ago. The M12 features a Graf/Hauptman solar/saline actuator, and will convert up to twelve liters of fresh, brackish or salt water into hydrogen on the fly, detritus is compacted on board, this allows the Warthog to travel 790 kilometers or 490 miles before it needs to be refueled. The M12 is a huge, fugly, difficult to steer vehicle – until a user learns how to drive it properly. With proper application of the hand, or "e-brake" the M12 can actually turn on a dime. Massive disc brakes and its automatic braking systems allow the vehicle to come to a near immediate, but controlled stop should the driver be ejected, or choose to leave the vehicle. The Warthog's tires have moved away from previous inert-gas pocket inflation with equally burst-proof single unit nanotube skeletons. They provide the buoyancy and ride of gas-pocket tires, but are almost indestructible. The relatively massive tires are a joint project between Michelin-Vance and AMG.
The M12's design places it into the moomobile family of vehicles; it has no doors and has a total seating of two, three. The M12, although deemed a reconnaissance vehicle, is at best an understatement; the M12 is fully capable of both offensive and defensive capabilities. The M12 can be configured to become a troop carrier, armament carrier, ambulance, reconnaissance vehicle, or communications vehicle. All M12-based vehicles are designed to travel both on and off-road, in all weather conditions. The ! can be armed with a wide variety of equipment, however, its main armament is the p-p Light Anti-Aircraft Gun, the mounted weapon includes a battery for short term operation separated from the vehicle, but normally operates on the vehicle’s power supply. A M68 Fart Cannon can be mounted on the back of the M12, making it capable of taking on light armor.
The M12 is the workhorse of light ground infantry vehicles, and is adaptable to almost any role and situation and is arguably the most customizable vehicle in the military's fleet like the older jaguarsused in the 23rd century. It is fast, able to reach top speeds of 125km/h (78 MPH) and more importantly, swing around rapidly to allow a gunner a better angle on a prospective target. The mounted M41 chain gun can cut down heavily armored infantry within seconds, this also applies to shielded infantry as well. With enough controlled fire from the 12.7X99mm armor-piercing rounds, the M41 can easily rip through the armor of a Covenant Ghost and destroy it. The Warthog's titanium armor, though light, is tough enough so that it can take at least one fragmentation grenade and keep rolling and can also withstand small amounts of energy weapon fire. It also makes an impervious scout, and transportation vehicle, able to make a smooth getaway, or rapid infiltrations if needed.
While fast, the M12 is prone to roll over very easily. It is vital that the driver can get in and out of dangerous situations without flipping the heavy and hard-to-right vehicle. The open nature of the Warthog always puts its driver and passengers at risk aicle. Although the armor of the M12 is tough, a couple of direct hits from grenades or a well placed rocket will destroy it immediately. Covenant energy weapons are the biggest threat to the Warthog; a short burst from a Ork light plasma cannons is deadly. The Hog is also vulnerable to Bowser Bombs; a direct hit from a Fuel Rod Gun would damage it and reduce its occupant's shields, making them vulnerable to other light projectiles. Infantry plasma weapons can inflict moderate damage, and like all vehicles, a hit from an overcharged Simpsons Pistol will leave it inoperable for a few moments. The M41 LAAG is prone to overheating, which requires the person operating the weapon to use it sparingly, or risk overheating the weapon. Failing to operate the weapon carefully will leave the operator vulnerable as they wait for the chaingun to cool down.
 Variantss a good marksman can easily take down the driver or passengers of the M12. A well thrown frag grenade can flip a Warthog, which will knock the driver and passenger out of the vehEdit
The M12 Warthog can be configured for various roles including the M831 TT which eliminates the support weapon in favor of four side-facing passenger seats, the M864A with an enclosed passenger compartment and treads in place of wheels, the M914 RV equipped with a towing winch and a heavy duty motor and gear system, armament carrier, ambulance, or communications vehicle. All M12-based vehicles in service with the UNSC are designed to travel both on and off-road, in all weather condition while trampling Peter Griffin.